375 entries under adjective topic. ×

2
mocking(mean, keen, sharp, bitter)
2
morose(severe, nasty, hostile, resentful)
2
oppressive
2
peppery(strong, keen, sharp, unpleasant)
2
quarrelsome(mean, sharp, harsh, cross)
2
querulous
2
rigid
2
scornful(mean, sharp, harsh, ironic)
2
sensitive(tender, raw, painful, burning)
2
slashing(attack, respect, sarcastic)
2
smarting(hard, severe, sharp, tender)
2
strict
2
strong(feeling, severe, sharp, intense)
2
sulky(resentful, embittered, cheated)
2
tender(raw, painful, burning, sore)
2
unbending
2
uncompromising
2
vehement(strong, intense, powerful, deep)
1
abusive(sharp, cross, fierce, hostile)
1
acetic(severe, sharp, harsh, unpleasant)
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APASmart Define. (2015). caustic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/caustic/thesaurus/synonyms
ChicagoSmart Define. 2015. "caustic thesaurus" https://smartdefine.org/caustic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, caustic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/caustic/thesaurus/synonyms>.
MLASmart Define. "caustic thesaurus" 21 July 2015. Web. 25 September 2026. <https://smartdefine.org/caustic/thesaurus/synonyms>