710 entries under adjective topic. ×

9
off-key(hard, right, severe, sharp)
9
unripe(state, bitter, acid, tart)
9
vinegary(sharp, difficult, harsh, bitter)
8
astringent(hard, severe, sharp, rough)
8
crotchety(tough, difficult, harsh, feelings)
8
down(hard, evil, rough, nasty)
8
glowering
8
ill-natured(difficult, disagreeable, mood, angry)
8
irascible(difficult, irritable, touchy, sullen)
8
querulous(hard, difficult, critical, crabby)
8
touchy(irritable, behaviour, sullen, sulky)
8
vitriolic(mean, severe, nasty, hostile)
7
acetous(taste, sharp, harsh, bitter)
7
dismal(sadness, gloom, unclear, morose)
7
ill-humored(tough, difficult, harsh, feelings)
7
mean(bad, severe, nasty, cross)
7
melancholy(low, feelings, gloomy, miserable)
7
miserable(low, feelings, discontent, glum)
7
rank(hard, nasty, unpleasant, corrupt)
7
rough(bad, hard, severe, sharp)
10 years ago|29k views|share |citing 
APASmart Define. (2016). sour thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sour/thesaurus/synonyms
ChicagoSmart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sour thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>.
MLASmart Define. "sour thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms>