Synonyms|215Antonyms|30|Broader|4Narrower|0Related|243
1
evil(adjective, mean, sharp, nasty, bitter)
1
fermented(adjective, sharp, unpleasant, bitter, sour)
1
grouchy
1
grumpy
1
hard
1
ill-natured
1
irritable
1
knifelike
1
lemony
1
mean(sharp, nasty, harsh, bitter, caustic)
1
musty(adjective, sharp, unpleasant, bitter, sour)
1
peevish
1
peppery(adjective, sharp, unpleasant, bitter, sour)
1
petulant
1
pickled
1
rancid(adjective, sharp, unpleasant, bitter, sour)
1
rancorous
1
rankled
1
resentful
1
rude
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APASmart Define. (2015). acerb thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/acerb/thesaurus/synonyms
ChicagoSmart Define. 2015. "acerb thesaurus" https://smartdefine.org/acerb/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, acerb thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/acerb/thesaurus/synonyms>.
MLASmart Define. "acerb thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/acerb/thesaurus/synonyms>