► ONO adj. delicious, sweet, palatable → 1938 Hawaii
► ONOCROTAL n. the pelican → 1382 obs.
► ON-OFF n. an act of (casual) sexual intercourse (with a stranger) → 1980 US sl.
► ON OFFER adj. 1. liable to problems → 1940 sl.
adj. 2. available → 2000 UK sl.
► ON OFFSIDES adj. of a person: odd, peculiar; irritable, touchy, easily offended → 1969 Amer. dial.
► ON OLD TOES adj. in old age → 1400 obs.
► ONOLOGY n. foolish talking, vain babbling, a talking like an ass → 1674 obs.
► ONOMAMANIA n. a mania or rage about a name or names → 1854
► ONOMANCY n. divination from names or the letters of a name as, the number of vowels in a name, the sum of the numerical value of the letters, or the like → 1605
► ONOMANTIA n. divination from names or the letters of a name as, the number of vowels in a name, the sum of the numerical value of the letters, or the like → 1605
► ONOMANTIC adj. pert. to, or skilful in the divination by names → 1856
► ONOMANTICAL adj. pert. to, or skilful in the divination by names → 1605
► ONOMASTIC adj. relating to or connected with a name or names, or with the naming of something; consisting of or dealing with names → 1716
n. 1. a writer of an Onomasticon; a vocabularist, a lexicographer → 1609 obs.
n. 2. an assumed name → 1653 obs.
► ONOMASTICAL adj. relating to or connected with a name or names, or with the naming of something; consisting of or dealing with names → 1609 obs.
► ONOMASTICON n. a vocabulary or alphabetic list of proper names, esp. of persons; formerly used more widely of a vocabulary of names or nouns, or even of a general lexicon → 1710
► ONOMATECHNY n. the art of making predictions from the letters of a person’s name → 1730
► ONOMATOLOGIST n. one versed in the formation of names or terms → 1695
► ONOMATOLOGY n. the science of the formation of names or terms; terminology → 1847 obs.
► ONOMATOMANCY n. divination by names or the letters of a name → 1652 obs.
► ONOMATOMANIA n. morbid dread of some word, intense mental anguish at the inability to recall some word, or to name a thing → 1892
► ONOMATOP n. a word formed by onomatopoeia → 1828
► ONOMATOPE n. a word formed by onomatopoeia → 1828
► ONOMATOPHOBIA n. an abnormal fear of a certain name → 1991 (Bk.)
► ONOMATOPLASM n. a word formed by onomatopoeia → 1909 (Bk.)
► ONOMATOPOEIAL adj. pert. to onomatopoeia → 1880
► ONOMATOPOEIAN adj. onomatopoeic → 1867
n. a word formed by onomatopoeia → 1860
► ONOMATOPOEIOUS adj. pert. to onomatopoeia; having a sound corresponding to the thing expressed → 1661 obs.
► ONOMATOPOESIS n. the naming of a thing, etc., from the sound associated with it; onomatopoeia → 1864
► ONOMATOPOESY n. onomatopoeia → 1885
► ONOMATOPOETIC adj. pert. to onomatopoeia; imitative in sound; echoic → 1848
► ONOMATOPY n. onomatopoeia → 1658 obs.
► ONOMATOUS adj. bearing the writer’s name → 1869
► ONOMOMANCY n. divination from names or the letters of a name as, the number of vowels in a name, the sum of the numerical value of the letters, or the like → 1678 obs.
► ONOMOUSLY adv. with the name given or stated; by name → 1800
► ON ONE adj. 1. having a successful time without any problems → 1980 US students’ sl.
adj. behaving crazily → 1990 sl.
► ON ONE EAR adj. anxious about something → 1967 Amer. dial.
► ON-O-NENA adv. always → 1905 Eng. dial. (Bk.)
► ON ONE’S ABE adj. impoverished → 1900 sl.
► ON ONE’S ACE adj./adv. on one’s own, alone → 1904 Aust.
► ON ONE’S ASS adj. 1. depressed; broken; down-and-out → 20C US sl.
adj. 2. in financial or other ruin; helpless → 1917 Amer. sl.
adj. 3. intoxicated with alcohol → M20 US sl.
► ON ONE’S BEAM ENDS adj. bewildered; perplexed; baffled → 1942 Amer. sl. (Bk.)
► ON ONE’S BICYCLE phr. in boxing: going backward in the ring to avoid an opponent → 1936 US sl.
► ON ONE’S DARBY adj. by oneself → 1940 rhyming sl. from ‘Darby and Joan’ (alone)
► ON ONE’S DARBY AND JOAN adj. alone → E20 rhyming sl.
► ON ONE’S EAR adj. 1. indignant, angry; annoyed; upset; in a huff; broadly, in an uproar → 1871 Amer. sl.
adj. 2. broke; bankrupt → 20C US sl.
adj. 3. intoxicated with alcohol → E20 sl.
adj. 4. on one’s side after having fallen or been knocked down; hence, destitute → 1910 Amer. sl.
phr. with little inconvenience or effort, as if asleep → 1930 US prison sl.
► ON ONE’S FACE adj. annoying or pestering one → 1953 US sl., orig. African-American
adv. on credit, for free → L19 US sl.
► ON ONE’S FEET adj. broke, penniless; down and out → 1967 Amer. dial.
► ON ONE’S HEAD adj. anxious → 1966 Amer. dial.
► ON ONE’S HIGH HORSE adj. behaving as if one thinks oneself superior to others → 1782
► ON ONE’S HIND LEGS adj. in a prosperous condition; established → 1897
► ON ONE’S JACK JONES phr. on one’s own → 1925 rhyming sl.
► ON ONE’S LAST PEGS adj. near death; worn out; decrepit → 1966 Amer. dial.
► ON ONE’S OPODILDOCS adj. spirited; usually said of a horse → 1892 Amer. dial.
► ON ONE’S OWN COAT-TAILS adv. on one’s own resources, independently → 1967 Sc.
► ON ONE’S OWN HOOK phr. on one’s own initiative; by oneself → 1812 colloq.
► ON ONE’S OWNSOME phr. on one’s own → 1939 sl.
► ON ONE’S PADROLLS phr. on one’s walks or rounds → 1905 N. Ireland (Bk.)
► ON ONE’S PAT MALONE phr. on one’s own → 1908 rhyming sl., chiefly Aust.
► ON ONE’S TOD phr. on one’s own → 1934 rhyming sl. for ‘Tod Sloan’ own
► ON ONE’S UPPERS adj. having no money → 1895 sl.
► ONOONO adj. delicious, sweet, palatable → 1938 Hawaii
► ONOPEN vb. to open up, to explain → 1200 obs.
► ONORN vb. to deck, to adorn → 1432 obs.
► ONPLAST n. a sudden, fierce gale of wind → 1908 Sc.
► ON-PLUSH n. a standstill → 1873 Eng. dial.
► ON-PLUST n. 1. a gale, a breeze → 1897 Sc.
n. 2. a rush, hurry → 1897 Sc.
► ON POINT adj. alert, ready for anything → 2001 UK sl.
► ON PUMP phr. on credit → 1974 Amer. dial. (Bk.)
► ONPUT n. 1. that which is put on, dress; esp. used of an article of clothing that can be worn only once without cleaning, etc. → 1854 Sc.
n. 2. a pretense, insincere behaviour → 1958 Sc.
n. 3. one who puts on an act; a pretender, a shammer → 1958 Sc.
► ONPUTTING n. that which is put on, dress; esp. used of an article of clothing that can be worn only once without cleaning, etc.; dress, clothing, garments → 1899 Sc.
► ON QUEER STREET adj. experiencing difficulties, esp. financial difficulties; in a vulnerable position → 1952 UK sl.
► ONRESE vb. to rush, to make an onset → 825 obs.
► ONRISE vb. to rise up against → 1000 obs.
► ONRIVEN adj. untorn → 1887 Sc.
► ONSAW n. a charge against a person, an accusation; reproach, opprobrious language → 1000 obs.
► ONSEEK vb. 1. to seek or require something of a person → 800 obs.
vb. 2. to attack → 1205 obs.
► ONSENE n. countenance, face; look, aspect, appearance → 897 obs.
► ONSET n. 1. a farm-house, with its outhouses; a farmstead → 1535 Sc. & N. Eng. dial.
n. 2. a heavy fall or rain or snow → 1808 Sc.
n. 3. an attack of disease of unknown origin; a sharp attack of illness → 1818 Sc.
vb. to make an onset upon; to set upon, to attack → 1602 obs.
► ON-SETTEN adj. 1. assumed → 1905 Eng. dial. (Bk.)
adj. 2. dwarfish → 1905 Eng. dial. (Bk.)
► ONSETTER n. 1. one who sets on, or urges on; an inciter → 1549 obs.
n. 2. one who makes an onset; an assailant → 1596 arch.
n. 3. an ancestor → 1773 Eng. dial.
► ONSETTIN adj. of a person’s appearance: not handsome, uncomely, ugly, unprepossessing → 1825 Sc. obs.
► ONSETTING n. 1. an attack, an assault → 1541 obs.
n. 2. incitement, instigation → 1619
► ONSHOCK n. shock, assault → 1869 Sc.
► ON SIDES adv. alternately → 1583 obs.
► ONSIGHT n. the act or faculty of looking onward or forward into the future → 1849
► ONSLAY vb. to strike on, to make assault → 1205 obs.
► ONSLIDE vb. ? to slide open; to unfold, to open → 1300 obs.
► ONSNED adj. uncut, untrimmed → 1887 Sc.
► ON SOMEONE’S ASS adj. harassing, vexing, scolding, pursuing someone → 1948 Amer. sl.
► ON SOMEONE’S DAILY adj. following someone close behind → 1920 sl.
► ON SOMEONE’S EAR adj. engaged in nagging → 1974 Amer. sl.
► ON SPEC adv. on the off chance; speculatively → 1832 UK sl.
► ONSTANDIN adj. determined, unyielding, esp. in bargaining; importunate, stolidly persistent in trying to get one’s way → 1866 Sc.
► ONSTEAD n. a farmhouse with its attached stables, cowshed, and other offices; a farmstead; later sometimes specifically the offices, as distinct from the farmer’s house → 1715 Sc. & N. Eng. dial.
► ONSTEADING n. the houses and buildings forming a farm-stead; a cluster of farm-workers’ houses or the like → 1830 Sc.
► ONSTELL vb. to institute, to establish, to impose → 971 obs.
► ON SUS adj. suspected of having committed a crime → 1936 Brit. sl.
► ONTACK n. 1. a bustle, a fuss, a stir, a to-do; airs and affectations, assumption → 1900 Sc.
n. 2. the taking on or assumption of task or responsibility; a big job → 1942 Sc.
n. 3. a discussion, a conversation → 1964 Sc.
n. 4. an attack or onset of pain, of snow, bad weather, or the like → 1964 Sc.
► ON-TAKE vb. to take on, to assume, to behave → 1325 obs.
► ONTAKER n. an irresponsible or untrustworthy person, esp. one who runs up debt → 1914 Sc.
► ONTAKING adj. 1. buying or taking on credit; hence, reckless, rash, somewhat untrustworthy in business dealings; dishonest → 1880 Sc.
adj. 2. assuming, taking airs upon oneself → 1905 Sc. (Bk.)
n. 1. enlisting, being taken on as a soldier → 1710 Sc.
n. 2. start, the beginning of an undertaking, assumption → 1721 Sc.
n. 3. great excitement or anxiety, a rush → 1914 Sc.
► ONTEND vb. to kindle, to inflame (lit. and fig.) → 890 obs.
► ONTER vb. of horses: to rear → 1728 Sc. obs.
► ON TEXAS TIME adj. unhurried → 2007 Amer. dial.
adv. unhurriedly → 2007 Amer. dial.
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