BE ON meaning: Engaged or active in something

We found 11 dictionaries that define the word be on:

General (7 matching dictionaries)

be on: Vocabulary.com
be on: Dictionary.com
be on: Rhymezone
be on: FreeDictionary.org
be on: Mnemonic Dictionary
be on: TheFreeDictionary.com
be on: Wiktionary

Business (1 matching dictionary)

be on: Financial dictionary

Computing (1 matching dictionary)

be on: Encyclopedia

Medicine (1 matching dictionary)

be on: Medical dictionary

Miscellaneous (1 matching dictionary)

be on: Idioms

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Definitions from Wiktionary (be on)

▸ verb:  (UK, transitive, literally) To be ranked at (something), based on polling.
▸ verb:  (intransitive, literally) To be performative or funny in a wearying manner.
▸ verb:  (transitive, literally) To be responsible for (something).
▸ verb:  (African-American Vernacular, transitive) To be up to; to be engaged in or scheduled to do imminently.

Types:

watch, patrol, guard, surveillance, more...

Phrases:

be on cloud nine, be on the ball, be down on, be borne in on, be on the lookout for, more...

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