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inform on - definition and synonyms


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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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phrasal verb [transitive]
Word Forms
present tense
I/you/we/theyinform on
he/she/itinforms on
present participleinforming on
past tenseinformed on
past participleinformed on

or inform against

  1. inform on/against someone to secretly give the police or someone in authority information about someone

    The rule has always been that you don’t inform on a friend.

See also main entry: inform

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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an electric skateboard

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