on

1. adjective /ɒn,ɑn,ɔn/

a) in the state of being active, functioning or operating

Are we still on for tonight?

b) performing according to schedule

Is the show still on?

Syn: on, base

2. adverb /ɒn,ɑn,ɔn/

a) to an operating state

turn the television on

b) along, forwards (continuing an action)

drive on, rock on

Ant: off

3. preposition /ɒn,ɑn,ɔn/

a) Positioned at the upper surface of, touching from above.

on the table; on the couch

b) covering

Born on the 4th of July.