On

Definition of on:

part of speech: preposition

In contact with the upper part of: to and towards the surface of: upon or acting by contact with: not off: at or near: at or during: in addition to: toward, for: at the peril of: in consequence: immediately after: ( B.) off.

part of speech: adjective

In contact with the upper part of; at; during; to; with; for; upon; by; after.

part of speech: adjective

Go on! proceed!.

part of speech: adjective

Forward; not off.

part of speech: adverb

Forward; onward; along; as, to go on; so as to cover or be supported by; as, put on your coat; jump on before the train starts; in or into action or use; as, to turn on the gas; in progress; as, the fight is on.

part of speech: preposition

Upon; as, to sit on a chair; in contact with the upper surface; as, we live on the earth; along or by; as, Paris is on the Seine; in the act or state of; as, on a journey; toward; as, he looked on her as his guide; in connection with; as, to go on business; showing the relation of following after; as, they are on his trail; in the direction of; as, the door opens on a lawn; about; as, an address on war; indicating time; as, on July first; resting against; as, a picture on the wall; supported by; as, on my honor.

part of speech: adverb

Above, or next beyond: forward, in succession: in continuance: not off.

Usage examples for on:

• And why didn't she think it would go on for ever? "The Loudwater Mystery", Edgar Jepson.

• But did you see that there was no name on it? "The Red Room", August Strindberg.

• So they were afraid that he would tell on them, were they? "The Crimson Sweater", Ralph Henry Barbour.

• " You ain't got nothing on me, Birsky," he said. "The Competitive Nephew", Montague Glass.