Synonyms of rat in English:

rat


See definition of rat

noun

1‘her rat of a husband cheated her’

SYNONYMS
scoundrel, wretch, rogue
informal beast, pig, swine, bastard, creep, louse, snake, snake in the grass, bum, lowlife, scumbag, heel, skunk, dog, weasel
British informal scrote
North American informal rat fink
Irish informal sleeveen
Australian informal dingo
dated rotter, cad, bounder
vulgar slang shit

2‘the most famous rat in mob history’

SYNONYMS
informer, betrayer, stool pigeon
informal snitch, finger, squealer, nose
British informal grass, supergrass, nark, snout
Scottish, Northern Irish informal tout
North American informal fink, stoolie
Australian informal fizgig, pimp, shelf
archaic intelligencer, beagle

exclamation

1‘Rats! I've lost my ticket!’

SYNONYMS
damn, damnation, blast, hell, heck, Gordon Bennett
British bother
informal drat, sugar, botheration, flip, flipping heck, flipping hell
British informal dash, blooming heck, blooming hell, blinking heck, blinking hell
North American informal doggone it, shucks, shoot, tarnation
Indian informal arré
dated confound it, pish