65 entries under insensitive topic. ×

4
coldhearted(adjective, hard, indifferent, aloof, unfeeling)
4
heartless(adjective, hard, indifferent, aloof, unfeeling)
4
oafish(adjective, dull, simple, slow, stupid)
4
thoughtless(adjective, careless, silly, foolish, stupid)
4
unresponsive(adjective, dull, hard, simple, indifferent)
3
hard(adjective, obscure, difficult, indifferent, unfeeling)
3
insusceptible(adjective, hard, unsusceptible)
3
senseless(adjective, dull, simple, careless, silly)
3
silly(adjective, careless, foolish, stupid, senseless)
3
simple-minded(adjective, simple, slow, silly, stupid)
3
tactless(adjective, hard, indifferent, vulgar, thoughtless)
3
unsusceptible(noun, adjective, hard, indifferent, unfeeling)
2
hardened(noun, adjective, hard, indifferent, unfeeling)
2
impassible(hard, unsusceptible)
2
inane(adjective, dull, simple, slow, careless)
2
irrational(adjective, careless, foolish, stupid, senseless)
2
unimpressionable(adjective, hard, unfeeling, unsympathetic)
2
unmindful(adjective, silly, foolish, innocent, senseless)
2
vacuous(adjective, simple, slow, careless, foolish)
1
careless(adjective, hard, silly, foolish, stupid)
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APASmart Define. (2015). obtuse thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/obtuse/thesaurus/synonyms
ChicagoSmart Define. 2015. "obtuse thesaurus" https://smartdefine.org/obtuse/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, obtuse thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/obtuse/thesaurus/synonyms>.
MLASmart Define. "obtuse thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/obtuse/thesaurus/synonyms>