75 entries under hard topic. ×

2
cold(adjective, unfeeling, unsympathetic, hardened)
2
cold-blooded(adjective, unfeeling, unsympathetic, hardened)
2
hardened(noun, adjective, indifferent, unfeeling)
2
impassible(insensitive, unsusceptible)
2
impenetrable(adjective, unfeeling, unsympathetic, prepared)
2
indifferent(adjective, dull, unfeeling, unsympathetic)
2
insentient(adjective, unfeeling, unsympathetic, hardened)
2
obdurate(adjective, unfeeling, unsympathetic, hardened)
2
soulless(adjective, unfeeling, unsympathetic, hardened)
2
spiritless(adjective, unfeeling, unsympathetic, hardened)
2
unimpressionable(adjective, unfeeling, unsympathetic, insensitive)
2
unsympathetic(adjective, unfeeling, hardened, toughened)
1
accustomed(adjective, unfeeling, unsympathetic, prepared)
1
blind to(expression, adjective, innocent, unfeeling)
1
careless(adjective, silly, foolish, stupid)
1
case-hardened(noun, adjective, unfeeling, unsympathetic)
1
contemptuous(adjective, unfeeling, unsympathetic, prepared)
1
disdainful(adjective, unfeeling, unsympathetic, prepared)
1
habituated(adjective, unfeeling, unsympathetic, prepared)
1
hard-as-nails(adjective, unfeeling, unsympathetic, prepared)
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APASmart Define. (2015). obtuse thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/obtuse/thesaurus/synonyms
ChicagoSmart Define. 2015. "obtuse thesaurus" https://smartdefine.org/obtuse/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, obtuse thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/obtuse/thesaurus/synonyms>.
MLASmart Define. "obtuse thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/obtuse/thesaurus/synonyms>