Synonyms of rat

1. rat, rodent, gnawer: usage: any of various long-tailed rodents similar to but larger than a mouse
2. scab, strikebreaker, blackleg, rat, worker: usage: someone who works (or provides workers) during a strike
3. rotter, dirty dog, rat, skunk, stinker, stinkpot, bum, puke, crumb, lowlife, scum bag, so-and-so, git, unpleasant person, disagreeable person: usage: a person who is deemed to be despicable or contemptible; "only a rotter would do that"; "kill the rat"; "throw the bum out"; "you cowardly little pukes!"; "the British call a contemptible person a `git'"
4. informer, betrayer, rat, squealer, blabber, informant, source: usage: one who reveals confidential information in return for money
5. rat, pad: usage: a pad (usually made of hair) worn as part of a woman's coiffure

1. rat, defect, desert: usage: desert one's party or group of friends, for example, for one's personal advantage
2. rat, hire, engage, employ: usage: employ scabs or strike breakers in
3. fink, scab, rat, blackleg, work, do work: usage: take the place of work of someone on strike
4. rat, pad, fill out: usage: give (hair) the appearance of being fuller by using a rat
5. rat, capture, catch: usage: catch rats, especially with dogs
6. denounce, tell on, betray, give away, rat, grass, shit, shop, snitch, stag, inform: usage: give away information about somebody; "He told on his classmate who had cheated on the exam"