Synonyms and Antonyms of rat
a person who provides information about another's wrongdoing
- The drug mule refused to turn rat without a guarantee of immunity.
betrayer, informant, informer, snitch, snitcher, squealer, stool pigeon, talebearer, tattler, tattletale, telltale
someone who regularly spends time in a particular place
- On Saturday morning the gym rats were out in full force.
client, customer, guest, patron
addict, aficionado (also afficionado), buff, bug, devotee, enthusiast, fan, fanatic, fancier, fiend, freak, lover, maniac, nut
a person whose behavior is offensive to others
- I'm done hanging around with that rat.
beast, boor, cad, churl, clown, creep, cur, dog, heel, jerk, joker, louse, lout, pill, reptile, scum, skunk, slob, snake, stinker, swine, varmint, vermin
barbarian, brute, caveman, Neanderthal, savage
lowlife, miscreant, rascal, rogue, roughneck, scab, scamp, scoundrel, villain, wretch
booby, fool, nincompoop, ninny, nitwit, nut
airhead, birdbrain, blockhead, dolt, dope, dork [slang], goon, half-wit, idiot, imbecile, moron, turkey