A Quick and Simple Dictionary

ON

1. (abbreviation) .  Ontario, a province of Canada.
2. Adjective.  in the state of being active, functioning or operating.
3. Adjective.  performing according to schedule.
4. Adjective.  (UK, informal) Acceptable, appropriate.
5. Adjective.  (baseball, informal) Having reached a base as a runner and being positioned there, awaiting further action from a subsequent batter.
6. Adverb.  to an operating state.
7. Adverb.  along, forwards (continuing an action).
8. Adverb.  in continuation, at length.
9. Adverb.  (cricket) in, or towards the half of the field on the same side as the batsman's legs; the left side for a right-handed batsman; leg.
10. Adverb.  (context, not US) Later.
11. Preposition.  Positioned at the upper surface of, touching from above.
12. Preposition.  covering.
13. Preposition.  At the date of.
14. Preposition.  Some time during the day of.
15. Preposition.  Dealing with the subject of, about, or concerning something.
16. Preposition.  Touching; hanging from.
17. Preposition.  (informal) In the possession of.
18. Preposition.  Because of, or due to.
19. Preposition.  Immediately after.
20. Preposition.  Paid for by.
21. Preposition.  (non-gloss definition, Used to indicate a means or medium.) .
22. Preposition.  (non-gloss definition, Indicating a means of subsistence.) .
23. Preposition.  Away or occupied with (e.g. a scheduled activity).
24. Preposition.  Regularly taking (a drug).
25. Preposition.  (mathematics) Having identical domain and codomain.
26. Preposition.  (mathematics) Having $V^n$ as domain and ''V'' as codomain, for some set ''V'' and integer ''n''.
27. Preposition.  (mathematics) Generated by.
28. Preposition.  Supported by (the specified part of itself).
29. Preposition.  At a given time after the start of something.
30. Preposition.  (context, UK) Without.