on

/ˈɒn/

/ˈɑn/, /ˈɔn/

used to show that an object is physically in contact with or attached to a surface or object

used to show a day or date

used to indicate that something continues and does not stop

with a forward motion

synonyms : along

in a state required for something to function or be effective

in contact with the body and covering it

in operation or functioning properly

antonyms : off

(of events) planned or scheduled

antonyms : off

Examples

1. The festival is on from the 10th to the 20th of August.

2. The chef sprinkled a generous amount of roe on the dish.

3. The children happily enjoyed their aspartame-sweetened popsicles on a hot summer day.

4. The guide at the art gallery provided insightful commentary on the artworks.