129 entries under severe topic. ×

1
basic
1
blunt
1
brisk
1
brusque
1
caustic
1
censorious
1
changeless(adjective, firm, harsh, solid)
1
churlish(adjective, hard, tough, cold)
1
cold fish(expression, adjective, hard, tough)
1
correct
1
crisp
1
crotchety(adjective, hard, tough, cold)
1
curt
1
cutting
1
deadpan(adjective, detached, serious, impassive)
1
definite(strong, certain, stiff, inflexible)
1
disciplined
1
dry
1
exact(strong, certain, definite, stiff)
1
feelingless(adjective, hard, tough, cold)
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APASmart Define. (2016). obdurate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms
ChicagoSmart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, obdurate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>.
MLASmart Define. "obdurate thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms>