58 entries under sour topic. ×

38
bitter(adjective, strong, hard, severe, taste)
30
sharp(adjective, attack, strong, hard, respect)
30
pungent(adjective, attack, strong, respect, sharp)
27
harsh(adjective, tough, severe, taste, sharp)
24
biting(verb, adjective, attack, strong, respect)
20
acid(noun, adjective, attack, strong, respect)
20
caustic(adjective, attack, strong, respect, severe)
16
acerbic(adjective, attack, respect, severe, taste)
13
cutting(verb, adjective, attack, strong, respect)
11
tart(noun, adjective, strong, tough, sharp)
10
stinging(adjective, attack, strong, respect, sharp)
9
astringent(adjective, attack, hard, respect, severe)
9
acerb(adjective, sharp, harsh, unpleasant, bitter)
8
keen(adjective, strong, sharp, unpleasant, powerful)
8
piquant(adjective, strong, sharp, unpleasant, powerful)
6
acidic(adjective, attack, respect, sharp, unpleasant)
5
irritating(adjective, sharp, harsh, bitter)
4
austere(adjective, severe, nasty, harsh, lively)
4
salty(adjective, strong, sharp, unpleasant, powerful)
4
tangy(adjective, strong, sharp, harsh, powerful)
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APASmart Define. (2015). acrid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/acrid/thesaurus/synonyms
ChicagoSmart Define. 2015. "acrid thesaurus" https://smartdefine.org/acrid/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, acrid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/acrid/thesaurus/synonyms>.
MLASmart Define. "acrid thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/acrid/thesaurus/synonyms>