Synonyms for sour

Some common synonyms of sour are: sour [a.] 1. Acid, tart, pricked, sharp, acetous, acetose. 2. Cross, crabbed, morose, acrimonious, currish, surly, testy, touchy, cantankerous, crusty, fretful, peevish, petulant, pettish, snappish, waspish, snarling, cynical, froward, uncivil, rude, rough, harsh, ill-tempered, ill-natured, austere. 3. Bitter, unpleasant, disagreeable. 4. Gloomy, sad, dismal, morose, discontented, austere. 5. Rancid, musty, spoiled, bad, coagulated, turned, curdled, loppered.