On
/ɒn/
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:2 ptsWWF:3 pts2 letters
Definition of On
verb
- To switch on
"Can you on the light?"
adjective
- In the state of being active, functioning or operating.
"All the lights are on, so they must be home."
- Performing according to schedule; taking place.
"Are we still on for tonight?"
- Fitted; covering; being worn.
"I was trying to drink out of the bottle while the top was still on!"
- (usually negative) Acceptable, appropriate.
"You can't do that; it's just not on."
- Destined, normally in the context of a challenge being accepted; involved, doomed.
""Five bucks says the Cavs win tonight." ―"You're on!""
adverb
preposition
- Positioned at the upper surface of, touching from above.
"A vase of flowers stood on the table."
- Positioned at or resting against the outer surface of; attached to.
"He had a scar on the side of his face."
- Expressing figurative placement or attachment.
"All of the responsibility is on him."
- 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"
- At or in (a certain region or location).
"The lighthouse that you can see is on the mainland."
Anagrams of On
Related Word Patterns
Synonyms & Antonyms
SYNONYMS
turn onbaseonlegby dint ofdue toaboutaproposas for
ANTONYMS
offafterafterwardafterwardslatersubsequentlythenceagainst