6
coarse(adjective, hard, severe, sharp, flat)
6
cynical(adjective, tough, sharp, harsh, gloomy)
6
dejected(adjective, feelings, sullen)
6
despondent(adjective, feelings, discontent)
6
dissonant(adjective, hard, severe, sharp, flat)
6
exasperate(verb, upset, bother, turn, annoy)
6
false
6
forbidding(adjective, hard, tough, severe, harsh)
6
go off(verb, expression, phrasal verb, turn, spoil)
6
grating(adjective, hard, severe, sharp, rough)
6
green(adjective, state, bitter, acid, tart)
6
inharmonious(adjective, flat, discordant, noisy, dissonant)
6
low(adjective, feelings, gloomy, miserable, depressed)
6
musty(adjective, hard, rank, foul, disagreeable)
6
resentful(adjective, severe, nasty, informal, cross)
6
short-tempered(adjective, irritable, behaviour, grumpy, bad-tempered)
6
spoilt
6
stern(adjective, severe, unfriendly, bleak, angry)
6
taste(noun, hint, smack, bit, savor)
6
unsavory(adjective, bad, nasty, offensive, unpleasant)
10 years ago|29k views|share |citing 
APASmart Define. (2016). sour thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sour/thesaurus/synonyms
ChicagoSmart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sour thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>.
MLASmart Define. "sour thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms>