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The definition of 'on' & the word 'on' in example sentences or phrases

Adjective
1
in operation or operational
  1. left the oven on
  2. the switch is in the on position
2
(of events) planned or scheduled
  1. the picnic is on, rain or shine
  2. we have nothing on for Friday night
3
performing or scheduled for duties
Adverb
1
with a forward motion
  1. we drove along admiring the view
  2. the horse trotted along at a steady pace
  3. the circus traveled on to the next city
  4. move along
  5. march on
2
indicates continuity or persistence or concentration
  1. his spirit lives on
  2. shall I read on?
3
in a state required for something to function or be effective
  1. turn the lights on
  2. get a load on
Preposition
1
having something
2
paid for by
3
located at or attached to
4
in contact with, on top of
5
"the meeting's ^ Tuesday sometime"
6
at some time in the duration of
7
on the topic of

Synonyms of the word 'on' & Antonyms of the word 'on'.

Adjective
Synonymson duty, on-duty,
Antonymsoff, off,
Adverb
Synonymsalong,
Preposition
Synonymswith, upon, during, during, about,