Reverse Dictionary: ALERT

ADJECTIVES
1000 WARE alert, prepared, on one’s guard, watchful, vigilant, cautious → arch.
1205 YEPE alert, active, nimble, brisk, bold, daring → obs.
1300 QUICK alert, alive; lively 
1300 YARE alert, nimble, active, brisk, quick → arch. & Eng. dial.
1390 PREST alert, active, sprightly; brisk, quick → obs.
1480 WAKERIFE alert, vigilant → Sc. & Eng. dial.
1550 PRICK-EARED listening attentively; attentive, alert
1598 TIGHT alert, smart; lively, vigorous, stout → obs. exc. Eng. dial.
1646 ARRECT on the alert; intent, attentive → obs.
1675 SPRIG alert, brisk, active, spry → obs.
1718 LEARY → LEERY alert; cautious, wary → sl.
1732 COOL AS A CUCUMBER alert and aware; self-possessed; calm 
1747 SPRACK alert, brisk, active; smart; in good health and spirits → chiefly Eng. dial.
1786 YALD → YAULD → YAWL alert, active, sprightly, vigorous, strong, healthy → Sc. & N. Eng. dial.
1795 BRIGHT AS A BUTTON mentally alert, quick-witted 
1797 UP TO ONE’S GOSSIP alert to the tricks or the illicit or criminal intentions of one → UK criminals’ sl.
..19C — DOWN TO → DOWN UPON alert to, aware of 
..19C GLEG AS A WIMBLE mentally alert, keen (gleg = keen, clever) → Eng. dial.
1816 YELD alert, sprightly; nimble, active; able-bodied; strong, powerful → Eng. dial.
1821 SMART AS A STEEL-TRAP intellectually alert, quick-witted; extremely bright and clever → Amer. dial.
1825 ON THE KEVEE on the alert or lookout → Sc.
1826 UPHEADED alert, shrewd, intelligent; self-confident, arrogant, haughty, conceited → Amer. dial.
1838 WADDEN → WADDIN alert, young and vigorous, active → Sc. & Eng. dial.
1846 UP TO THE DODGE alert, shrewd; knowledgeable → US sl.
.M19 ALL ALIVE-O → ALL ALIVO alert, active → sl.
1853 PEELED alert and observant → US sl.
1859 ALIVE AND KICKING alert, vigorous → Eng.
1867 WAKEN alert, brisk, lively; sharp; intelligent, quick-witted → Eng. dial.
1880 ALL THERE alert, aware, sharp → UK
1882 SPRACKISH alert, brisk, active; smart → chiefly Eng. dial.
1885 ON alert to or aware of something → US sl.
1890 ALIVE on the alert, active, smart → sl. (Bk.)
..L19 ALIVEO alert, active → sl.
..L19 AT A GOOD READY  thoroughly alert → sl.
..L19 UP ON alert, aware of what is happening → colloq.
..20C ALL THERE WITH HIS COUGHDROPS usually said of an old person whose mind is particularly alert → Brit. sl.
1900 EDGY alert or quick in doing anything → Sc. (Bk.)
1905 QUICKSOME alert, full of life, lively → Eng. dial. (Bk.)
1909 KEEVEE on the alert or lookout → Sc.
1912 SHIFTY alert; busy; industrious and successful → Amer. dial.
1916 AWAKE-UP alert, knowing, wise to → Aust. sl.
1936 BRIGHT-EYED AND BUSHY-TAILED alert and ready to do something; as alert and active as a squirrel → US sl.
1939 ON THE BALL alert, capable, or efficient; acting effectively → US sl.
1940 ARMED TO THE TEETH alert; fully prepared; awake to danger → World War II usage
1946 ALL ABOUT alert, efficient → UK sl.
1950 DAP alert, aware, knowledgeable, sophisticated, up-to-date → African-American sl.
1967 ON THE KINIPOPO alert, on the ball; competent, intelligent → Hawaii
1967 WHIPPY alert, clever, sharp, intelligent, vigorous → US high school sl. (Bk.)
1980 ON THE EARIE alert, informed → US sl.
1980 ZERO COOL alert, extremely aware, up-to-date, relaxed, cool → teen sl.
2001 ON POINT alert, ready for anything → UK sl.
2006 FLY alert and in the know; knowledgeable → US sl. (Bk.)
2006 FRESH AS A DAISY said of someone who is always alert and ready to go → US sl. (Bk.)


ADVERBS
..19CHANDY-DANDY on the alert → Eng. dial.


NOUNS
1644 SMARTNESS alertness, liveliness, activity 
1790 SMEDDUM alertness of mind and vigour in action; energy → Sc.
1843 KEEVEE → KEEVIE → KEEVY alertness, attention, vigilance → Sc.
1865 DOWNINESS a being alert, aware, or savvycunning, craftiness → sl., orig. & chiefly Brit.
1960 A.P.B.  a general alert, a search for a missing person; ‘All Points Bulletin’ → US police usage
1968 BRAIN FADE loss of alertness or concentration caused by fatigue, esp. after a long period of driving → orig. motor racing usage


NOUNS, PERSON
1821 DOWNY a person who is alert, aware, or savvy; a crafty or cunning person → sl. obs., chiefly Brit.
1823 DOWNY ONE a very alert or shrewd fellow → sl.
1872 BRIGHT SPARK an alert, cheerful person; a person of great intelligence, talent, or wit  
1896 WISE HOMBRE a person who is alert and knowledgeable → Amer. sl.
,,20C — COOL CARD a person who is alert and aware, self-possessed, or calm → Amer. sl.
..20C — COOL CUSTOMER a person who is alert and aware, self-possessed, or calm → Amer. sl.
..20C — COOL FISH a person who is alert and aware, self-possessed, or calm → Amer. sl.
..20C — COOL HAND a person who is alert and aware, self-possessed, or calm → Amer. sl.
1903 SAFE-CARD an alert or wide-awake fellow → sl. (Bk.)
1930 WAKE-UP an alert and resourceful person, always aware of the possibilities of a situation  Aust. sl.
1945 HIP CHICK an alert, sensitive girl or young woman; esp. one cognizant of modern problems, personalities, and art, esp. of modern jazz music → Amer. sl., orig. jive usage (Bk.)
1974 SHREWD DUDE an alert, well-dressed boy or man → Amer. sl. (Bk.)
1994 EAGLE EYES an alert person → sl. (Bk.)


VERBS
1352 WAKE to be alert, active, alert, stirring, or vigilant → obs.
1616 BE ALL EYES to be alert and vigilantto watch attentively; to be keenly observant 
1713 HAVE ALL ONE’S EYETEETH to be mentally alert, shrewd, or capable → obs.
1812 OFFICE to alert; to warn, to tip off → sl.
1825 EDGIE to be alert or quick in doing anything → Sc. obs.
1889 KEEP A LAMP LIT to keep alert; to keep an eye open → sl.
1896 SPRIGHTLE UP to become alert or lively → Eng. dial.
1907 KEEP ONE’S EYE ON THE BALL to be on the alert; to be careful → US sl.
1936 HAVE SOMETHING ON THE BALL to be especially alert, capable, efficient, etc. → US sl.
1954 PULL SOMEONE’S COAT to alert or warn someone → US sl.
1972 KEEP AN EYEBALL OUT to be alert for something or someone; to keep watch