on

UK
/ɒn/
US
/ɑn/

Translations

onpreposition
UK
/ɒn/
US
/ɑn/

Definitions

onpreposition
Indicating a position above and in contact with a surface.
The book is on the table.
Indicating a day or date.
The meeting is on Monday.
Indicating the subject of a talk, book, etc.
She gave a lecture on climate change.
Indicating a means of transport.
He traveled on a bus.
Indicating a means or medium.
I saw this guy on TV.
onadjective
In operation or functioning.
The lights are on, so someone must be home.
Being worn on the body; attached to or covering a part of the body (used of clothing, shoes, glasses, jewelry, etc.).
Make sure your shoes are on before we leave.
Happening, in a state of being active.
The game is on!