Synonyms of sours

1 Syllable
tart, green, keen, sharp, bad, dry
2 Syllables
biting, briny, salty, piquant, rancid, pungent, caustic, turned, acerb, acrid, sourish, cutting, stinging, curdled, musty, bitter, acid, soured
3 Syllables
unripe, fermented, astringent, peppery, acidic, unpleasant, acetous, acetic
4 Syllables
unsavory, acetose, vinegary
5 Syllables
unwholesome, acidulated