86 entries under harsh topic. ×

32
bitter(adjective, upset, mean, bad, strong)
23
dour(adjective, mean, tough, severe, nasty)
20
sharp(adjective, strong, hard, severe, rough)
20
tart(noun, adjective, strong, taste, sharp)
19
caustic(adjective, strong, severe, sharp, nasty)
19
surly(adjective, mean, tough, nasty, low)
18
grouchy(adjective, tough, low, difficult, sad)
16
acerbic(adjective, taste, sharp, irritable)
16
acrid(adjective, strong, hard, tough, severe)
15
acid(noun, adjective, strong, taste, sharp)
15
acrimonious(adjective, strong, tough, severe, sharp)
14
crusty(adjective, tough, difficult, feelings)
14
unpleasant(adjective, bad, hard, severe, evil)
13
biting(adjective, strong, severe, sharp, nasty)
12
pungent(adjective, strong, sharp, powerful)
11
acerb(adjective, taste, sharp, bitter)
11
acidulous(adjective, taste, sharp, bitter)
11
dry(adjective, hard, taste, sharp, flat)
11
snappish(adjective, tough, difficult, feelings)
11
stinging(adjective, strong, severe, sharp, nasty)
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APASmart Define. (2016). sour thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sour/thesaurus/synonyms
ChicagoSmart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sour thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>.
MLASmart Define. "sour thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms>