132 entries under severe topic. ×

3
perilous(adjective, awful, heavy, terrible)
3
piquant(adjective, feeling, strong, sharp)
3
raw(adjective, sharp, delicate, tender)
3
spare
3
tart(adjective, strong, sharp, intense)
3
vital(adjective, heavy, important, significant)
2
acid(adjective, strong, sharp, intense)
2
agonising(adjective, fierce, painful, penetrating)
2
bleak
2
crisp
2
decisive(adjective, important, significant, serious)
2
demanding
2
destructive(adjective, awful, heavy, terrible)
2
dynamic(adjective, sharp, quick, flexible)
2
essential(adjective, important, serious, critical)
2
grim
2
gruff
2
honed(adjective, strong, keen, sharp)
2
important(adjective, heavy, significant, serious)
2
inflexible
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APASmart Define. (2016). acute thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/acute/thesaurus/synonyms
ChicagoSmart Define. 2016. "acute thesaurus" https://smartdefine.org/acute/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, acute thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/acute/thesaurus/synonyms>.
MLASmart Define. "acute thesaurus" 23 February 2016. Web. 26 September 2026. <https://smartdefine.org/acute/thesaurus/synonyms>