18
harsh(adjective, strong, great, severe, rough)
18
violent(adjective, strong, great, severe, sharp)
17
dire(adjective, severe, important, significant, extreme)
16
fine(adjective, understanding, strong, severe, keen)
16
quick(adjective, feeling, understanding, keen, sharp)
16
sensitive(adjective, understanding, keen, sharp, obscure)
15
agonizing(adjective, strong, great, severe, sharp)
15
discriminating(adjective, sharp, intelligent, wise, perceptive)
14
canny(adjective, smooth, keen, sharp, smart)
14
deep(adjective, strong, keen, sharp, smart)
14
fierce(adjective, strong, great, severe, sharp)
14
grave(adjective, severe, pain, important, significant)
14
ingenious(adjective, smooth, keen, sharp, smart)
14
painful(adjective, severe, sharp, harsh, delicate)
14
serious(adjective, severe, harsh, heavy, important)
13
bright(adjective, keen, sharp, smart, sensitive)
13
brisk(adjective, severe, sudden, crucial, physical energy)
13
poignant(adjective, feeling, strong, severe, sharp)
13
quick-witted(adjective, strong, keen, sharp, smart)
13
stabbing(adjective, strong, severe, sharp, fine)
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APASmart Define. (2016). acute thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/acute/thesaurus/synonyms
ChicagoSmart Define. 2016. "acute thesaurus" https://smartdefine.org/acute/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, acute thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/acute/thesaurus/synonyms>.
MLASmart Define. "acute thesaurus" 23 February 2016. Web. 22 September 2026. <https://smartdefine.org/acute/thesaurus/synonyms>