adjective
1.
causing or characterized by the one of the basic taste sensations produced chiefly by acids
sour pickles
Synonyms: acerb, acerbic, acetose, acid, acidulous, dry, tart
Related Word: keen, sharp, tangy; ||blinky, sourish; fermented, soured, turned; acrid, bitter, vinegary
Antonyms: sweet
2.
Synonyms: bad 8, ||chiselly, disagreeable, displeasing, rotten, unhappy, unpleasant