Synonyms to nark

betrayer, Benedict Arnold, Brutus, Judas, Judas Iscariot, Quisling, archtraitor, blab, blabber, blabberer, blabbermouth, cockatrice, conniver, conspirator, conspirer, convict, criminal, crook, debaucher, deceiver, defiler, delator, desperado, desperate criminal, despoiler, double agent, double-crosser, double-dealer, felon, fink, fugitive, gallows bird, gangster, gaolbird, informer, intrigant, intriguer, jailbird, lawbreaker, machinator, mobster, narc, outlaw, peacher, plotter, public enemy, quisling, racketeer, raper, rapist, rat, ravager, ravisher, schemer, scofflaw, seducer, serpent, snake, snitch, snitcher, spy, squealer, stool pigeon, stoolie, swindler, talebearer, tattler, tattletale, telltale, thief, thug, timeserver, traitor, treasonist, trimmer, turncoat, two-timer, violator, whistle-blower, canary, Heldentenor, Meistersinger, Philomel, alto, aria singer, aureate, auric, baritenor, baritone, bass, basso, basso buffo, basso cantante, basso profundo, beige, blues singer, buff, buff-yellow, bulbul, canary-yellow, cantatrice, cantor, caroler, chanter, chantress, citron, citron-yellow, coloratura