Synonyms and Antonyms of whistle–blower
a person who provides information about another's wrongdoing there are laws to protect whistle-blowers who reveal corporate malfeasance Synonyms betrayer, canary [slang], deep throat, fink, informant, nark [British], rat, rat fink, snitch, snitcher, squealer, stoolie, stool pigeon, talebearer, tattler, tattletale, telltale, whistle-blowerRelated Words collaborator; blabber, blabbermouth, gossip, gossiper, leaker; snoop, snooper, spy; notifier
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