Word Study
be on
WORDNET DICTIONARY
Verb be on has 1 sense
- be on(v = verb.change) get on - appear in a show, on T.V. or radio; "The news won't be on tonight" is one way to air
Sample sentences:
Something ----s
Somebody ----s
Something is ----ing PP
Somebody ----s PP
For further exploring for "be on" in Webster Dictionary Online