Synonyms: fink, sneak, sneaker, snitch, snitcher, stool pigeon, stoolie, stoolpigeon, canary
Definition: someone acting as an informer or decoy for the police
Similar words: squealer, informer, betrayer, blabber, rat
Definition: one who reveals confidential information in return for money
Synonyms: rat, stag, snitch, shit, shop, denounce, betray, tell on, give away, grass
Definition: give away information about somebody
Usage: He told on his classmate who had cheated on the exam
Similar words: inform
Definition: impart knowledge of some fact, state or affairs, or event to
Usage: I informed him of his rights
Synonyms: thieve, hook, glom, cop, snitch, knock off
Definition: take by theft
Usage: Someone snitched my wallet!
Similar words: steal
Definition: take without the owner's consent
Usage: Someone stole my wallet on the train; This author stole entire paragraphs from my dissertation