on
(adjective, verb, adverb, preposition)
adjective
1. in operation or operational
- left the oven on
- the switch is in the on position
Similar word(s): connected
2. (of events) planned or scheduled
- the picnic is on, rain or shine
- we have nothing on for Friday night
Sentences with on as an adjective:
- Are we still on for tonight?
- Is the show still on?
- right on; bang on; not on
- "Five bucks says the Cavs win tonight." ―"You're on!"
- Mike just threw coffee onto Paul's lap. It's on now.
adverb
1. with a forward motion
- we drove along admiring the view
- the horse trotted along at a steady pace
- the circus traveled on to the next city
Similar word(s): along
2. indicates continuity or persistence or concentration
- his spirit lives on
- shall I read on?
3. in a state required for something to function or be effective
- turn the lights on
- get a load on
Sentences with on as an adverb:
- turn the television on
- drive on, rock on
- and so on.
- He rambled on and on.
- Ten years on nothing had changed in the village.
preposition
1. Positioned at the upper surface of, touching from above.
- on the table;
2. At or near; adjacent to.
- Soon we'll pass a statue on the left.
- The fleet is on the American coast.
- Croton-on-Hudson, Rostov-on-Don, Southend-on-Sea
3. Covering.
- He wore old shoes on his feet.
4. At the date of.
- Born on the 4th of July.
5. Some time during the day of.
- I'll see you on Monday.
6. Dealing with the subject of, about, or concerning something.
- A book on history.
7. Touching; hanging from.
- The fruit ripened on the trees.
8. (informal) In the possession of.
- I haven't got any money on me.
9. Because of, or due to.
- To arrest someone on suspicion of bribery.
10. Immediately after.
- On Jack's entry, William got up to leave.
11. Paid for by.
- The drinks are on me tonight, boys.
12. Used to indicate a means or medium.
- I saw it on television.
13. Indicating a means of subsistence.
- They lived on ten dollars a week.
14. Away or occupied with (e.g. a scheduled activity).
- He's on his lunch break.
15. Denoting performance or action by contact with the surface, upper part, or outside of anything; hence, by means of; with.
- to play on a violin or piano
- Her words made a lasting impression on my mind.
16. Regularly taking (a drug).
- You've been on these antidepressants far too long.
17. Under the influence of (a drug).
- He's acting crazy because he's on crack right now.
18. (mathematics) Having identical domain and codomain.
- a function on V
19. (mathematics) Having as domain and V as codomain, for some set V and integer n.
- an operator on V
20. (mathematics) Generated by.
- the free group on four letters
21. Supported by (the specified part of itself).
- A table can't stand on two legs.
22. At a given time after the start of something; at.
23. In addition to; besides; indicating multiplication or succession in a series.
24. Indicating dependence or reliance; with confidence in.
- I depended on them for assistance.
- He will promise on certain conditions.
- Do you ever bet on horses?
25. Toward; for; indicating the object of an emotion.
- Have pity or compassion on him.
26. (obsolete) At the peril of, or for the safety of.
27. In the service of; connected with; of the number of.
- He is on a newspaper; I am on the committee.
28. By virtue of; with the pledge of.
- He affirmed or promised on his word, or on his honour.
29. To the account of; denoting imprecation or invocation, or coming to, falling, or resting upon.
- On us be all the blame.
- A curse on him!
30. (Britain dialectal, Scotland) Without.
verb
1. (transitive, Singapore) To switch on.
- Can you on the light?