6
sharp-witted(adjective, keen, sharp, smart, bright)
6
shrieky(adjective, music, high, sounds)
6
sly(adjective, smooth, keen, sharp, smart)
6
spiny(adjective, sharp, sharpness)
5
acerbic(adjective, severe)
5
acrid(adjective, strong, sharp, powerful, bitter)
5
acrimonious(adjective, severe)
5
active(adjective, smooth, keen, sharp, energetic)
5
artful(adjective, smooth, sharp, smart, intelligent)
5
bad(adjective, endured)
5
cuspate(adjective, keen, sharp, point, fine)
5
diplomatic(adjective, sensible, cunning, wise, shrewd)
5
excessive(adjective, strong, intense, powerful, penetrating)
5
forceful(adjective, strong, severe, sharp, harsh)
5
forcible(adjective, strong, severe, sharp, harsh)
5
foxy(adjective, smooth, keen, sharp, smart)
5
frightful(adjective, endured)
5
heavy(adjective, harsh, cruel, serious, brutal)
5
hideous(adjective, endured)
5
impetuous(adjective, violence, sudden)
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APASmart Define. (2016). acute thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/acute/thesaurus/synonyms
ChicagoSmart Define. 2016. "acute thesaurus" https://smartdefine.org/acute/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, acute thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/acute/thesaurus/synonyms>.
MLASmart Define. "acute thesaurus" 23 February 2016. Web. 23 September 2026. <https://smartdefine.org/acute/thesaurus/synonyms>