SNITCH

Definition

1. noun someone acting as an informer or decoy for the police. — synonyms: fink, snitcher, stoolpigeon, stool_pigeon, stoolie, sneak, sneaker, canary
2. verb take by theft. — synonyms: hook, thieve, cop, knock_off, glom
3. verb give away information about somebody. — synonyms: denounce, tell_on, betray, give_away, rat, grass, shit, shop