Synonyms of sour in English:

sour


See definition of sour

adjective

1‘too much pulp produces a sour wine’

SYNONYMS

acid, acidy, acidic, acidulated, tart, bitter, sharp, acetic, vinegary, pungent, acrid, biting, stinging, burning, smarting, unpleasant, distasteful

North American acerb

technical acerbic

rare acidulous

ANTONYMS

sweet

2‘milk bottles with traces of sour milk lingering in them’

SYNONYMS

turned, curdled, fermented, rancid

old, tainted, high, rank, foul, fetid, overripe

North American clabbered

ANTONYMS

fresh

3‘a sour old man’

SYNONYMS

embittered, resentful, nasty, spiteful, sharp-tongued, irritable, irascible, peevish, fractious, fretful, cross, crabbed, crabby, crotchety, cantankerous, curmudgeonly, disagreeable, petulant, pettish

complaining, querulous, bitter, moody, grumpy, huffy, scratchy, bad-tempered, ill-tempered, ill-natured, ill-humoured, sullen, surly, sulky, churlish, touchy, testy, tetchy, snappish, waspish, crusty, bilious, liverish, dyspeptic, splenetic, choleric

informal snappy, chippy, grouchy, cranky, whingeing, whingy

British informal narky, ratty, eggy, stroppy, shirty

North American informal peckish, sorehead, soreheaded

NZ Australian informal snaky

informal, dated miffy, waxy

ANTONYMS

pleasant, amiable


verb

1‘five years of war had soured him’

SYNONYMS

embitter, make bitter, make resentful, anger, exasperate, disillusion, disenchant, poison, envenom, disaffect, dissatisfy, frustrate, alienate

2‘a dispute soured relations between the two countries for over a year’

SYNONYMS

spoil, mar, damage, harm, impair, be detrimental to, wreck, upset, hurt, worsen, poison, colour, blight, tarnish

ANTONYMS

improve