sour

Synonyms: acerb acetic acetose acetous acid acidic acidulated acrid astringent bad biting bitter briny caustic curdled cutting dry fermented green keen musty peppery piquant pungent rancid salty sharp soured sourish stinging tart turned unpleasant unripe unsavory unwholesome vinegary with a kick

Antonyms: good pleasant sweet tasty

Synonyms: acid acrid acrimonious bitter churlish crabby cynical disagreeable discontented displeasing embittered grouchy grudging ill-natured ill-tempered irritable jaundiced on edge peevish rotten tart ungenerous unhappy unpleasant waspish

Antonyms: cheerful cordial friendly happy

Synonyms: acidify curdle disenchant embitter envenom exacerbate exasperate make sour spoil turn turn off

Antonyms: encourage excite incite