Synonyms|905Antonyms|165|Broader|8Narrower|0Related|298

194 entries under hard topic. ×

1
immutable(adjective, steady, fixed, rigid)
1
impassive(adjective, secure, careless, indifferent)
1
impenetrable(adjective, unfeeling, unsympathetic, hardened)
1
impious(adjective, unfeeling, unsympathetic, hardened)
1
inaccessible(adjective, unfeeling, unsympathetic, hardened)
1
inanimate(adjective, tough, severe, cold)
1
iron-hearted(adjective, tough, severe, cold)
1
irreverent(adjective, unfeeling, unsympathetic, hardened)
1
lukewarm(adjective, mean, cool, unpleasant)
1
nasty(adjective, mean, cool, unpleasant)
1
prepared(adjective, unfeeling, unsympathetic, hardened)
1
repellent(adjective, mean, cool, unpleasant)
1
repugnant(adjective, mean, cool, unpleasant)
1
rugged(adjective, strong, tough, harsh)
1
seasoned(adjective, unfeeling, unsympathetic, hardened)
1
sensationless(adjective, tough, severe, cold)
1
senseless(adjective, tough, severe, cold)
1
serious(adjective, close, strong, tough)
1
soulless(adjective, mean, harsh, careless)
1
spiritless(adjective, careless, indifferent, cruel)
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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>