6
acerbically(adverb, severely, irritably)
6
acrimoniously(adverb, severely, irritably)
6
keenly(adverb, severely)
5
bitterly(adverb, irritably, pungently)
5
bitingly
5
cuttingly(adverb, severely)
5
sharply(adverb, severely, pungently)
4
acidly(adverb, irritably)
4
acridly(adverb, pungently)
4
piquantly(adverb, severely, pungently)
4
poignantly(adverb, pungently)
4
pungently(adverb, pungently)
4
sarcastically(adverb, scornfully)
4
sourly(adverb, irritably, pungently)
4
tartly(adverb, severely, irritably)
4
vitriolically
2
acutely(adverb, severely)
2
corrosively
2
dryly(adverb, severely)
2
harshly(adverb, severely)
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APASmart Define. (2015). caustically thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/caustically/thesaurus/synonyms
ChicagoSmart Define. 2015. "caustically thesaurus" https://smartdefine.org/caustically/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, caustically thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/caustically/thesaurus/synonyms>.
MLASmart Define. "caustically thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/caustically/thesaurus/synonyms>