THESAURUS
inform on
accuse, allege, arraign, article, babble, be indiscreet, be unguarded, bear witness against, betray, betray a confidence, blab, blabber, blow the whistle, blurt, blurt out, book, bring accusation, bring charges, bring to book, charge, cite, complain, denounce, denunciate, double-cross, fasten on, fasten upon, finger, fink, give away, hang something on, impeach, imply, impute, indict, inform, inform against, insinuate, lay charges, leak, let down, let drop, let fall, let slip, lodge a complaint, lodge a plaint, narc, peach, pin on, prefer charges, press charges, put on report, rat, report, reproach, reveal a secret, sell out, sing, snitch, snitch on, spill, spill the beans, squeal, stool, take to task, talk, task, tattle, tattle on, taunt with, tax, tell on, tell secrets, tell tales, testify against, turn in, turn informer, twit, two-time