118 entries under bitter topic. ×

26
harsh(adjective, hard, tough, severe, taste)
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
rancid(adjective, taste, nasty, unpleasant, rank)
19
surly(adjective, mean, tough, nasty, low)
16
acerbic(adjective, taste, sharp, harsh, irritable)
16
acrid(adjective, strong, hard, tough, severe)
15
acid(noun, adjective, strong, taste, sharp)
14
turned(adjective, rank, foul, disagreeable)
14
unpleasant(adjective, bad, hard, severe, evil)
13
biting(adjective, strong, severe, sharp, nasty)
12
acidic(adjective, sharp, cutting, acid)
12
cutting(verb, adjective, strong, sharp, property)
12
pungent(adjective, strong, sharp, harsh, powerful)
11
acerb(adjective, taste, sharp, harsh)
11
acidulous(adjective, taste, sharp, harsh)
11
bad(adjective, nasty, offensive, unpleasant, rank)
11
dry(adjective, hard, taste, sharp, flat)
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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>