36 entries under unpleasant topic. ×

10
acid(noun, adjective, attack, respect, severe)
8
acrid(adjective, attack, respect, sharp)
8
sharp(adjective, attack, respect, severe)
8
tart(noun, adjective, sharp, bitter)
8
biting(adjective, attack, respect, sharp)
7
bitter(adjective, severe, sharp, sour)
7
caustic(adjective, attack, respect, sharp)
7
stinging(adjective, attack, respect, sharp)
6
acerb(adjective, sharp, harsh, bitter)
6
astringent(adjective, attack, respect, sharp)
6
cutting(adjective, attack, respect, sharp)
6
pungent(adjective, attack, respect, sharp)
6
vinegary(adjective, sharp, bitter, sour)
5
acetous(adjective, sharp, bitter, sour)
3
keen(adjective, sharp, bitter, sour)
3
piquant(adjective, sharp, bitter, sour)
3
unripe(adjective, sharp, bitter, sour)
2
acetic(adjective, sharp, bitter, sour)
2
acidulated(adjective, sharp, bitter, sour)
2
rancid(adjective, sharp, bitter, sour)
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APASmart Define. (2015). acidic thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/acidic/thesaurus/synonyms
ChicagoSmart Define. 2015. "acidic thesaurus" https://smartdefine.org/acidic/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, acidic thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/acidic/thesaurus/synonyms>.
MLASmart Define. "acidic thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/acidic/thesaurus/synonyms>