Synonyms For "Sour" :

1 syllable:

dark, false, glum, off, turn, turned, work

2 syllables:

dour, ferment, moody, morose, rancid, stinky, sullen, tartness

3 syllables:

glowering, saturnine, sourness

4 syllables:

acetify, acidify, acidity, acidulate, malodorous, malodourous