- behaving in a theatrical, lively, or ingratiating way: Around close friends, one doesn't have to be on every minute.
- functioning or performing at one's best: When she's on, no other tennis player is half as good.
Origin of on
British Dictionary definitions for on and on (1 of 3)
British Dictionary definitions for on and on (2 of 3)
British Dictionary definitions for on and on (3 of 3)
- regularly taking (a drug)she's on the pill
- addicted tohe's on heroin
- staked or wagered as a betten pounds on that horse
- charged tothe drinks are on me
adverb (often used as a particle)
- performing, as on stageI'm on in five minutes
- definitely taking placethe match is on for Friday; their marriage is still on
- tolerable, practicable, acceptable, etcyour plan just isn't on
- (of a person) willing to do something
- (modifier) relating to or denoting the leg side of a cricket field or pitchthe on side; an on drive
- (in combination) used to designate certain fielding positions on the leg sidelong-on; mid-on
Word Origin for on
Word Origin and History for on and on
Old English on, unstressed variant of an "in, on, into," from Proto-Germanic *ana "on" (cf. Dutch aan, German an, Gothic ana "on, upon"), from PIE root *an- "on" (cf. Avestan ana "on," Greek ana "on, upon," Latin an-, Old Church Slavonic na, Lithuanian nuo "down from"). Also used in Old English in many places where we would now use in. From 16c.-18c. (and still in northern England dialect) often reduced to o'. Phrase on to "aware" is from 1877. On time is from 1890.
Idioms and Phrases with on and on
on and on
Continuously, persistently, without stopping, as in On and on they rode for three whole days. Also see go on and on.