238 entries under severe topic. ×

3
flat(adjective, hard, sharp, rough)
3
gruff(adjective, bleak, stark, austere)
3
hard-shell(adjective, strong, hard, tough)
3
nasty(adjective, bleak, stark, austere)
3
serious(adjective, strong, hard, tough)
3
straight(adjective, tough, correct, moderate)
2
abrupt
2
acute
2
bitter(adjective, set, strong, hard, tough)
2
blunt
2
brusque
2
brutal(adjective, hard, correct, rough)
2
burdensome(adjective, tough, correct, harsh)
2
caustic
2
censorious
2
crisp
2
curt
2
dead set on(expression, adjective, idiom, harsh)
2
frosty(adjective, cool, cold, detached)
2
hard-boiled(adjective, mean, strong, hard, tough)
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APASmart Define. (2015). rigid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, rigid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>.
MLASmart Define. "rigid thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms>