Reverse Dictionary: IGNORANCE

ADJECTIVES
► ALL UP IN THE KOOLAID WITHOUT KNOWING THE FLAVOUR ignorant, unaware; used to tell off an inquisitive person → 1990s African-American sl.
► BAYARDLY characterized by the blindness and self-confidence of ignorance → 1636 obs.
► BOSS weak, ignorant → 1911 Sc. (Bk.)
► CHUPID gullible, ignorant → 1869 W. Indies
► CHUPIDEE gullible, ignorant, stupid → 1978 W. Indies
► CRAFTLESS ignorant → a1000 obs.
► DARK void of intellectual light, mentally or spiritually blind; unenlightened, uninformed, destitute of knowledge, ignorant → c1374
► DUMBHEAD of a person: stupid, foolish, ignorant → 1887 colloq.
► FAR BACK backward as regards progress, education, etc.; ignorant, uncouth → 1950 Sc.
► FLAT-FOOTED IN THE CORN FIELD ignorant, unsophisticated → 1966 Amer. dial.
► FLUNKY ignorant, second-rate → L19 US sl.
► GAUMLESS stupid, ignorant, without judgement; awkward → c1746 Eng. dial.
► GOATY awkward; ignorant → Amer. World War I sl.
► GOTHAM foolish, ignorant → 1811 Eng. dial.
► GREEN AS A GOOSEBERRY, AS very ignorant of life; raw and uneducated, inexperienced → 1842
► HALF-FOOL stupid, ignorant, half-witted → 1905 Eng. dial. (Bk.)
► IGGY ignorant → 1910s US sl.
► IGNORANT AS OWL SHIT very ignorant → 1978 Amer. sl.
► IGNORANT AS PADDY’S PIG, AS very ignorant → 1974 NZ sl.
► IMPERITE unskilled, ignorant → 1708 obs.
► INGRAM ignorant → 1902 Sc. (Bk.)
► INSCIOUS not knowing; lacking knowledge; ignorant → 1633 obs.
► JAY rustic, ignorant, unsophisticated → 1889 Amer. dial.
► JIVE confused, ignorant → 1969 Amer. dial.
► KNOWLEDGELESS lacking knowledge; ignorant; uninformed, uneducated → c1843
► KNOW-NOTHING that knows nothing; extremely or completely ignorant → 1818
► LEARLESS without learning, ignorant → 1815 Sc.
► LEWD unlearned, unlettered, untaught, ignorant → a1225 obs.
► LEWED ignorant, unlearned → c1325 obs.
► MULLET-HEADED stupid, ignorant → 1857 Amer. dial.
► NESCIENT ignorant, destitute of knowledge → 1626
► NESCIOUS ignorant; destitute of knowledge → 1633 obs.
► OMNINESCIENT ignorant of everything → 1890
► PARVISCIENT knowing little; ignorant → 1862
► PIG-IGNORANT extremely ignorant → 1972 sl.
► RAW-GABBED speaking confidently and authoritatively on a subject of which one is ignorant → 19C Sc.
► RED-NECKED pert. to a redneck; poor, ignorant, narrow-minded, boorish, racist; belligerent, loud → 1986 Amer. dial.
► RED-NECKY pert. to a redneck; poor, ignorant, narrow-minded, boorish, racist; belligerent, loud → 1986 Amer. dial.
► RUSTIC lacking in elegance, refinement, or education; boorish; ignorant → c1550
► SILLY unlearned, unsophisticated, simple, rustic, ignorant → a1547 obs. or arch. obs.
► SIMPLE-HEARTED ignorant, simple-minded → c1400 obs.
► SWIFT dull, stupid; ignorant → 1970 US students’ sl. (Bk.)
► TOTALLY CLUELESS uninformed; ignorant; in the dark → 1970s US teen sl.
► UNACQUAINT not acquainted, unfamiliar, ignorant → 1716 Sc.
► UNASINOUS agreeing in stupidity; displaying ignorance or foolishness by all → 1656
► UNAWARES ignorant, not aware, of something → 1548 obs.
► UNBOOTED native, ignorant → 1940s African-American sl.
​► UNCLEAR ON THE CONCEPT completely and dramatically ignorant about a particular subject → 1988 US sl.
► UNCONFIRMED uninstructed, ignorant → 1588 obs. obs.
► UNCOUTH unknowing, ignorant → c1220 obs.
► UNCUNNING ignorant, stupid → 1905 Eng. dial. (Bk.)
► UNHEP ► UNHIP unaware, unsophisticated, ignorant → 1930s sl., orig. US
► UNHIPPED unaware, unsophisticated, ignorant → 1930s sl., orig. US
► UNKNOWNST ignorant → 1848 Ireland
► WET BEHIND THE EARS inexperienced, raw, ignorant → 1914 Amer. sl.

ADVERBS
► IMPERITELY ignorantly → 1657 obs.
► LEWDLY ignorantly; foolishly → c1380 obs.

INTERJECTIONS & PHRASES
► DON’T KNOW NO MORE THAN A GOOSE KNOWS GOD said of a completely ignorant person, who knows nothing at all about anything → 1996 Amer. dial. (Bk.)
► GREEN AS A YELLOW CABBAGE said of one who assumes ignorance or innocence → 1889 Eng. dial.
► HE COULDN’T DRIVE NAILS IN A SNOWBANK applied to an ignorant person → 1945 US Western usage (Bk.)
► HE COULDN’T TEACH A SETTIN’ HEN TO CLUCK applied to an ignorant person → 1945 US Western usage (Bk.)
► HE DOESN’T KNOW BEANS WHEN THE BAG’S UNTIED he’s really stupid or ignorant → 1996 Amer. dial. (Bk.)
► HE DOESN’T KNOW PUTTY he’s stupid or ignorant → 1896 Amer. dial.
► HE DOESN’T KNOW SHIT FROM PUTTY he’s stupid or ignorant → 1968 Amer. dial.
► NEEDS A WET-NURSE said of an ignorant or irresponsible person → 1945 US Western usage (Bk.)
► NOT ENOUGH SENSE TO CARRY GUTS TO A BARREL ignorant, stupid → 1967 Amer. dial.
► NOT ENOUGH SENSE TO CARRY GUTS TO A BEAR ignorant, stupid → 1914 Amer. dial.
► NOT ENOUGH SENSE TO LAP ALUM AND DROOL very stupid, ignorant → 1969 Amer. dial.
► NOT ENOUGH SENSE TO TOTE GUTS TO A BEAR ignorant, stupid → 1960 Amer. dial.
► NOT HAVE AN EARTHLY has no chance; has no idea about a subject → 1999 Aust. sl. (Bk.)
► NOT KNOW A BEE FROM A BULL’S FOOT to be ignorant or stupid → 1812 Amer. dial.
► NOT KNOW A FROM A BATTLEDORE ignorant; illiterate → c1401 sl.
► NOT KNOW A FROM A BULL’S FOOT ignorant; illiterate → c1401 sl.
► NOT KNOW A FROM B to be ignorant; not to have the most rudimentary knowledge → 1952 Amer. dial.
► NOT KNOW ANY MORE THAN ADAM’S OFF-OX ignorant; stupid → 1978 Amer. dial.
► NOT KNOW APPLES FROM ORANGES to be ignorant of the most rudimentary forms of knowledge → 1969 Amer. dial.
► NOT KNOW AS MUCH AS A LAST YEAR’S BIRD NEST very stupid, ignorant → 1966 Amer. dial.
► NOT KNOW BEESWAX FROM BULL FOOT to be ignorant or stupid → 1966 Amer. dial.
► NOT KNOW B FROM A BROOMSTICK to be ignorant or illiterate → 1856 Amer. dial.
► NOT KNOW B FROM A BUFFALO’S FOOT to be ignorant or illiterate → 1832 Amer. dial.
► NOT KNOW B FROM A BULL’S FOOT ignorant; illiterate → c1401 sl.
► NOT KNOW B FROM BAT’S FOOT to be ignorant or illiterate → 1965 Amer. dial.
► NOT KNOW B FROM BULL to be ignorant or illiterate → 1965 Amer. dial.
► NOT KNOW B FROM BULL’S ASS to be ignorant or illiterate → 1965 Amer. dial.
► NOT KNOW B FROM BULL’S BAG to be ignorant or illiterate → 1927 Amer. dial.
► NOT KNOW B FROM BULLFROG to be ignorant or illiterate → 1965 Amer. dial.
► NOT KNOW B FROM BULLSHIT to be ignorant or illiterate → 1965 Amer. dial.
► NOT KNOW B FROM BULLY to be ignorant or illiterate → 1965 Amer. dial.
► NOT KNOW DIDDLY ignorant → 1985 Amer. dial.
► NOT KNOW DUNG FROM HONEY to be exceptionally naive or ignorant → 1989 sl.
► NOT KNOW DUNG FROM WILD HONEY ignorant → 1945 US Western usage (Bk.)
► NOT KNOW ENOUGH TO POUND SAND INTO A RAT HOLE ignorant → 1914 Amer. dial. (Bk.)
► NOT KNOW FROM A BAR OF SOAP to be totally ignorant of → 2003 NZ sl.
► NOT KNOW FROM NOTHING to be ignorant → 1936 US sl.
► NOT KNOW ONE’S ARSE FROM A HOLE IN THE GROUND ► NOT KNOW ONE’S ASS FROM A HOLE IN THE GROUND to be very stupid or ignorant → 1935 Amer. sl.
► NOT KNOW ONE’S ARSE FROM ONE’S ELBOW ► NOT KNOW ONE’S ASS FROM ONE’S ELBOW to be ignorant → 1897 sl.
► NOT KNOW ONE’S ASS FROM A HOT ROCK ignorant, stupid, or confused → 1939 Amer. sl.
► NOT KNOW ONE’S ASS FROM A JUG OF APPLE CIDER ignorant, stupid, or confused → 1972 Amer. sl.
► NOT KNOW ONE’S ASS FROM A MUSKET ignorant, stupid, or confused → 1862 Amer. sl.
► NOT KNOW ONE’S ASS FROM A PITCHFORK ignorant, stupid, or confused → 1985 Amer. sl.
► NOT KNOW ONE’S ASS FROM A RIFLE BARREL ignorant, stupid, or confused → 1972 Amer. sl.
► NOT KNOW ONE’S ASS FROM A STALK OF BANANAS ignorant, stupid, or confused → 1939 Amer. sl.
► NOT KNOW ONE’S ASS FROM A WIND SCOOP ABOUT SHIP’S WORK ignorant, stupid, or confused → 1958 Amer. sl.
► NOT KNOW ONE’S ASS FROM ICE CREAM ignorant, stupid, or confused → 1983 Amer. sl.
► NOT KNOW ONE’S ASS FROM MAMMOTH CAVE ignorant, stupid, or confused → 1947 Amer. sl.
► NOT KNOW ONE’S ASS FROM ONE’S AILERON ignorant, stupid, or confused → 1969 Amer. sl.
► NOT KNOW ONE’S ASS FROM ONE’S ARMPIT ignorant, stupid, or confused → 1962 Amer. sl.
► NOT KNOW ONE’S ASS FROM ONE’S LEFT FOOT ignorant, stupid, or confused → 1966 Amer. sl.
► NOT KNOW ONE’S ASS FROM PORK SAUSAGE ignorant, stupid, or confused → 1970 Amer. sl.
► NOT KNOW ONE’S ASS FROM THE BACK SIDE OF A CHECKER BOARD ignorant, stupid, or confused → 1972 Amer. sl.
► NOT KNOW ONE’S ASS FROM THIRD BASE ignorant, stupid, or confused → 1955 Amer. sl.
► NOT KNOW ONE’S ASSHOLE FROM ONE’S ELBOW to be ignorant; not to possess the most rudimentary knowledge; very stupid → 1965 Amer. dial.
► NOT KNOW ONE’S BRASS FROM ONE’S OBOE to be very ignorant; to be stupid
► NOT KNOW PEADOODLE not to know anything, ignorant → 2000 Amer. dial.
► NOT KNOW PEA-TURKEY not to know the simplest thing; ignorant → 1984 Amer. dial.
► NOT KNOW QUEEN STREET FROM CHRISTMAS to be ignorant → 2003 NZ
► NOT KNOW SHIT FROM A SALAMI to be exceptionally naive or ignorant → 1993 sl.
► NOT KNOW SHIT FROM APPLE BUTTER to be exceptionally naive or ignorant → 1952 sl.
► NOT KNOW SHIT FROM BEANS to be exceptionally naive or ignorant → 1970 sl.
► NOT KNOW SHIT FROM CLAY to be exceptionally naive or ignorant → 1980 sl.
► NOT KNOW SHIT FROM SHINE to be exceptionally naive or ignorant about a topic → 1979 sl.
► NOT KNOW SHIT FROM SHINOLA to be exceptionally naive or ignorant about a topic → 1963 sl.
► NOT KNOW SHIT FROM TOOTHPASTE to be exceptionally naive or ignorant about a topic → 1994 sl.
► NOT KNOW SHIT FROM TUNAFISH to be exceptionally naive or ignorant → 1972 sl.
► NOT KNOW SIC ‘EM very ignorant or stupid → 1907 Amer. dial.
► NOT KNOW WHICH SIDE IS UP to be completely ignorant or deluded → 1963 US sl.
► OFF TO ANOTHER NASA CONVENTION used for humour when someone who has been displaying their ignorance leaves a room → 1991 US sl.
► OUGHT TO BE PLAYING WITH STRING OF SPOOLS said of an ignorant or crazy person → 1945 US Western usage (Bk.)
► SEARCH ME! expressing innocence or ignorance → 1930s African-American sl.

NOUNS
► CRASSITUDE gross ignorance or stupidity; excessive dullness of intellect → 1865
► IDIOTISM ignorance, lack of knowledge or culture → 1635
► IGNORANCY ignorance → 1526 obs.
► IGNORANTNESS ignorance → 1632
► IGNORATION the fact of being ignorant; mistaking or misunderstanding through want of knowledge → 1612 obs.
► IGNOTION an ignorant notion; a notion falsely so called → 1647 obs.
► ILLITERATURE want of learning, illiteracy, ignorance → 1592
► KNOW-NOTHINGISM wilful ignorance → 1856
► KNOW-NOTHINGNESS the state of knowing nothing; complete ignorance → a1841
► LEWDHEDE ignorance; want of skill, knowledge, or good-breeding; foolishness → 1401 obs.
► LEWDNESS ignorance; want of skill, knowledge, or good-breeding; foolishness → 1362 obs.
► NESCIENCE lack of knowledge, ignorance → 1612
► OMNINESCIENCE ignorance of everything; universal ignorance → 1856
► PADDY’S PIG the epitome of ignorance → 1974 NZ sl.
► PERPERITUDE thoughtlessness, ignorance, uncouthness, rudeness → 1623 obs.
► SIMPLEHEAD simpleness, ignorance → c1470 obs.
► SIMPLESSE deficiency in knowledge or learning; ignorance; also, lack of mental acuteness, intellectual weakness, foolishness → c1400 obs.
► UNCUNNESS ignorance → c1250 obs.
► UNWITENESS ignorance → a1225 obs.

NOUNS – PERSON
► ANNAHYDION an ignorant, ill-informed person → 1997 Irish sl. (Bk.)
► APPLE KNOCKER a yokel or bumpkin; an ignorant or naive person → 1902 US colloq.
► APPLE-SHAKER a rural, unsophisticated person; a lubber; an ignorant rustic → 1871 US sl.
► APPLE-SQUEEZER a rural, unsophisticated person; an ignorant rustic → 1930 US sl.
► ARCHIE BUNKER a man whose background, outlook, and behaviour are likened to those of the television character Archie Bunker, esp. a blue-collar worker having (and vehemently expressing) views considered ignorant or bigoted; also, a person characterized as having ignorant or bigoted views and a vehement, outspoken manner → 1971 US colloq., derogatory
► BAAL AGALA an ignoramus; an uncouth person → 1982 Jewish usage (Bk.)
► BARBER’S CLERK a shop-boy who attempts to pass himself off as a gentleman; an ignoramus → 1821 UK sl.
► BAWBAG an ignorant, obnoxious, or otherwise detestable person, esp. a man; often used as a disparaging form of address → 1999 Sc.
► BAYARD one blind to the light of knowledge, who has the self-confidence of ignorance → a1529
► BEAR’S ASS a fool; an ignoramus → 1969 US students’ sl.
► BIFFO a Big Ignorant Fucker From Offaly → 1996 Irish sl. 
► BLIND BUZZARD a worthless, stupid, or ignorant person → 1377
► BLIND FREDDIE the personification of a slow-witted, ignorant person → 1970 US sl. (Bk.)
► BOSTHOON an extremely ignorant man → 1921 Amer. dial.
► BUFFLEHEAD a fool, a blockhead, a simpleton, a stupid person, a silly person, an ignoramus → 1659
► BUNGO a crude, boorish, ignorant Black person, a country bumpkin → 20C W. Indies & Jamaica
► BUZZARD a worthless, stupid, or ignorant person → 1377
► CÁBÓG an ignorant male; a rustic clodhopper → 2004 Irish sl.
► CALF an ignoramus; a dolt; a weakling → 1553 sl.
► CHERRY PICKER an ignorant rustic; a fool → 1929 US sl.
► CHUPIDEE ► CHUPIDDY ► CHUPIDIE ► CHUPIDY a gullible, ignorant fool → 20C W. Indies sl.
► COTTON PICKER an ignorant, foolish, or uninitiated person → 1950 Amer. dial.
► COUNTRY IKE an uncouth, ignorant or rude fellow; a rustic → L19 sl.
► CRAZY IKE an uncouth, ignorant or rude fellow; a rustic → 1915 Amer. dial.
► CULCH a person held in low esteem; a rude ignorant person → 1891 Amer. dial.
► FLY-CATCHER an open-mouthed,  ignorant person → c1820 colloq.
► FUZZ-TAIL an unpleasant or ignorant fellow; an unpopular fellow → 1930 sl.
► FUZZY-TAIL an unpleasant or ignorant fellow; an unpopular fellow → 1918 sl.
► GABY a simpleton; a fool; a blockhead; a stupid or silly fellow; one who gapes and stares about in ignorant wonder → 1796 colloq. & Eng. dial.
► GANCH an awkward, silly fellow; a fool; a boor; an ignoramus; someone who behaves badly → 1880 N. Ireland (Bk.)
► GAUNCH an ignoramus; someone who behaves badly; a fool; a boor → 1997 Ulster sl.
► GAWNICUS a fool, a dolt, a stupid fellow, an ignoramus, a simpleton → 1867 Amer. dial.
► GAZOONEY ► GAZOONIE ► GAZOONY a boy or lad; an inexperienced youth; a foolish, ignorant or eccentric fellow; a naive person → 1914 US sl.
► GLOWBASON an ignorant, rough woman; a term of great contempt → 19C Eng. dial.
► GLUNDER ► GLUNNER ► GLUNTER an ignorant, morose, sour-tempered fellow → 1824 Sc. obs.
► GNAW-POST a stupid, ignorant person; a silly fellow; a fool, a simpleton → 1856 Eng. dial.
► GOBBIN an ignorant or clownish person; a country fellow → 1740 Eng. dial.
► GOBSHITE a stupid, incompetent, or contemptible person, esp. an ignorant loudmouth → M20 sl., chiefly Irish
► GONUS a fool, a dolt, a stupid fellow, an ignoramus, a simpleton → 1842 Amer. dial.
► GOONUS a fool, a dolt, a stupid fellow, an ignoramus, a simpleton → 1959 Amer. dial.
► GOOSE AMONG SWANS, A an uncomely or ill-favoured person in the midst of beautiful ones; an uncultivated person among the cultivated; an ignorant person among the learned → 1738
► GRAMPUS an ignoramus; a greedy, stupid person → 1838 Sc. obs.
► GREEN-HEAD a raw, inexperienced person; a simpleton; an ignoramus → 1589
► GREENHORN a raw, inexperienced person, esp. a novice in a trade; an ignoramus; hence, one easily imposed upon, a simpleton → 1682
► GREENIE a greenhorn → M19 colloq.
► GRUBBER a person who is coarse, ignorant, or offensive → 1941 Amer. sl.
► HAINT a country bumpkin; a backward ignorant person → 2006 Amer. students’ sl. (Bk.)
► HAIVREL ► HAVEREL ► HAVERIL ► HAVREL a person given to foolish or inconsequential chatter or gossip; also, a stupid or ignorant person, a fool, a simpleton → 1772 Sc.
► HAWBUCK an ungainly or clumsy person; an unmannerly lout; a country bumpkin or clown; a rude, ignorant rustic; a coarse, vulgar lad; a foolish or stupid fellow; a simpleton; a noisy, rough, turbulent young man → 1787
► HAWNYOCK an inexperienced or ignorant person; a hick; a low-class or insignificant person → 1943 Amer. dial.
► HERBY FROM DERBY a hick; an ignorant or silly fellow → 1945 jive usage (Bk.)
► HICK an ignorant countryman; a peasant; a farmer → 1565
► HILL WILLIAM a countrified or rustic person; an ignorant or uncouth person → 1965 Amer. dial.
► HILLBILLY a person from a remote rural or mountainous area, esp. of the south-eastern US; an uncouth person from such an area; a backward, ignorant, coarse person; a rustic, unsophisticated country person → 1900 chiefly US
► HOTTENTOT a person of inferior intellect or culture; an uncivilized or ignorant person → 1710 derogatory & offensive
► HUCKLEBERRY a rustic; an ignorant person → 1945 US Western sl. (Bk.)
► I.D.B. an Ignorant Dutch Bastard → 1920s Cockneys’ sl.
► IDIOT a person without learning; an unlearned, ignorant, or uneducated man; a simple man; a clown → 1377 obs.
► IDIOTIST a person without learning; an ignorant, uneducated man; a simple man; a clown → 1715 obs.
► IG MAN an ignorant man; a fool → 20C US Black sl.
► IGNANT an ignorant, stupid person → 1940s African-American sl.
► IGNARO one that is ignorant; a fool, a blockhead, a dunce, an ignoramus → 1620 obs.
► IGNORAMO an ignorant person → 1623 obs.
► IGNUTS an ignorant fool → 1934 US sl. 
► IKE an uncouth, ignorant or rude fellow; a rustic → 1896 Amer. dial.
► IMPERITE an unskilled or ignorant person → 1622 obs.
► JABBERKNOWL ► JABBERNOWL a prating blockhead; a term of contempt for an ignorant person → 1790 Eng. dial.
► JACKASS a stupid or foolish person; an ineffective and incompetent person; a dolt or an oaf; a blockhead; an ignoramus; a term of contempt→ 1823 
► JACKPINE FARMER a woods-dweller, esp. one thought to be ignorant or uncultivated → 1973 Amer. dial.
► JACKPINE SAVAGE a woods-dweller, esp. one thought to be ignorant or uncultivated → 1957 Amer. dial.
► JAY a person or fellow; a rustic or countrified person; one considered ignorant, awkward, or unsophisticated; a dull, stupid person → 1890 Amer. dial.
► JAYBIRD a person or fellow; a rustic or countrified person; one considered ignorant, awkward, or unsophisticated; a dull, stupid person → 1886 Amer. dial.
► JAYHAWK a person or fellow; a rustic or countrified person; one considered ignorant, awkward, or unsophisticated; a dull, stupid person → 1907 Amer. dial.
► JAYHAWKER a person or fellow; a rustic or countrified person; one considered ignorant, awkward, or unsophisticated; a dull, stupid person → 1911  Amer. dial.
► JEFF an ignorant, unsophisticated, or boring person; a pest → 1938 Amer. dial., derogatory
► JEFF DAVIS an ignorant, unsophisticated, or boring person; a pest → 1946 Amer. dial., derogatory
► JEFFER an ignorant, unsophisticated, or boring person; a pest → 1969 Amer. dial., derogatory
► KNOW-LITTLE a person who knows little; an ignoramus → 1651
► KNOW-NOTHING a person who knows nothing; a very ignorant person → 1812
► LINTBRAIN a foolish, dim-witted, or ignorant person → 1990 US sl.
► LINTHEAD a foolish, dim-witted, or ignorant person → 1960 US sl.
► LUNK-HEAD an ignoramus → 1913 Amer. dial. (Bk.)
► MOME a fool, a stupid or silly person; a blockhead, a simpleton; a dull, ignorant person; a dolt → 1550 obs.
► MOOR-POOT a young person; an ignorant fellow → 1852 Eng. dial. (Bk.)
► MOUNTAIN GRILL a rustic, a hillbilly; an uncouth, ignorant, often ill-mannered boy or man → 1929 Amer. dial., derogatory
► MOUNTAINER a person who is native to or lives in a mountainous region; a person living in a mountainous region regarded as ignorant, uncivilized, or uneducated → 1577
► MULLET-HEAD a stupid, ignorant person → 1912 Amer. dial.
► MULLY a shiftless rustic; a poor, ignorant person → 1989 Amer. dial.
► MUT ► MUTT a fool, a bungler, an ignoramus → 1900 US sl.
► PEASANT someone considered ignorant, stupid, or awkward; an uncouth or uncultured person → 1943 colloq.
► PHILISTER an ignorant or prejudiced person → 1828
► QUACKSALVER an ignorant person who pretends to a knowledge of medicine or of wonderful remedies → 1579
► QUACO an unsophisticated, ignorant person; a countrified person → 1799 W. Indies sl.
► QUAMIN ► QUARMIN an unsophisticated, ignorant person; a countrified person → 1943 W. Indies sl.
► REDNECK a poor, White, rural Southerner; a White person perceived as ignorant, narrow-minded, boorish, or racist → 1891 Amer. dial., derogatory
► RUM an ignoramus; an inefficient person → 1912 US criminals’ sl. (Bk.)
► RUNT an ignorant, uncouth, or uncivilized person → 1602 obs.
► RUSTIC a boorish, ignorant, or unsophisticated person; a bumpkin → 1600 depreciative usage
► RUTTER a lazy, slovenly, ignorant person → 1968 Amer. dial.
► SARACEN an ignorant and tasteless person; a barbarian → 1714 obs.
► SAWNEY a fool or simpleton; a silly, half-witted fellow; an ignorant country lout; a soft, good-natured fellow; a clumsy person; a thug → a1700 
► SIMPLE an ignorant or foolish person → 1643
► SIMPLES those who are unlearned, ignorant, easily misled, unsuspecting, etc. → 1560
► SIMPLICIAN ► SIMPLITIAN a simple, ignorant, or innocent person; a simpleton → 1600-9 obs.
► SNODDIE an ignorant, stupid fellow → 19C Sc.
► STRUT-NODDY an ignorant person who has no notion of their own idiocy, and struts around thinking they are intelligent → 19C sl.
► TURKEY an ignorant person → 1966 US students’ sl. (Bk.)
► UNWEOTE an ignorant person → a1225 obs.
► WOOFIT an oaf; an ignorant person; also, a term of endearment to an infant → 1855 Eng. dial. (Bk.)
► WOP an ignorant person; an impossible character → 1912 US criminals’ sl. (Bk.)
► YAHOE a loutish, ignorant, or inexperienced person; an unsophisticated rustic → 1851 Amer. dial.
► YAHOO a degraded or bestial person; a lout, a boor; an ignorant, or inexperienced person; an unsophisticated rustic → 1726
► YAP an egotistic, yet ignorant fellow → 1914 Amer. dial. (Bk.)
► YOKEL a term of contempt for a (stupid or ignorant) countryman or rustic; an uneducated and unsophisticated, gullible person from the countryside; a country bumpkin; a lout; an oaf → 1812 usually derogatory

VERBS
► BAG ONE’S BOWLINE to perform or talk about a task unskilfully or ignorantly → 1975 Amer. dial. ​
► DISKNOWLEDGE to be ignorant of, not to know; to deny, to disown → 1888 Eng. dial.
► MISKNOW to be ignorant of, not to know; to misunderstand, to fail to recognize → 1660 Sc.  
► SMATTER to talk ignorantly or superficially of something, to prate, to chatter → a1450 obs.
► UNKEN to fail to know or recognize; to be ignorant → 1788 Sc.