100 entries under severe topic. ×

4
exacting
4
unalterable(set, strong, hard, definite)
3
correct
3
dour
3
exact(adjective, strong, correct, definite)
3
frosty(adjective, cool, cold, detached)
3
icy(adjective, cool, cold, detached)
3
intense(adjective, clear, tough, harsh)
3
mean(adjective, clear, hard, tough)
3
oppressive
3
serious(adjective, close, strong, hard, tough)
3
unsparing(adjective, close, strong, hard, tough)
2
acrimonious
2
acute
2
astringent(adjective, close, strong, hard, tough)
2
authoritarian(adjective, strong, hard, tough)
2
bleak
2
caustic
2
chilly(adjective, cool, cold, detached)
2
crisp
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APASmart Define. (2016). unbending thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unbending/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbending thesaurus" https://smartdefine.org/unbending/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unbending thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unbending/thesaurus/synonyms>.
MLASmart Define. "unbending thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unbending/thesaurus/synonyms>