inform on

verb

inform on

verb

1

To tell on someone; to act as an informant against.

In 1983, one of his friends informed on him for reading a forbidden book, and he lost his teaching job.2013 May 24, Emily Parker, “Bulgakov's Ghost”, in The New York Times, archived from the original on 12 May 2022:

Synonyms: finger, grass up, snitch

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.