70 entries under hardened topic. ×

1
unresponsive(adjective, dull, quiet, hard, flat)
1
unsubmissive(adjective, hard, unfeeling, unsympathetic, prepared)
1
unsusceptible(adjective, hard, unfeeling, unsympathetic)
1
unsympathetic(adjective, dull, quiet, hard, flat)
0
blind to(expression, adjective, hard, unfeeling, unsympathetic)
0
careless(adjective, hard, unfeeling, unsympathetic)
0
casehardened(adjective, hard, unfeeling, unsympathetic)
0
cold(adjective, hard, unfeeling, unsympathetic)
0
cold-blooded(adjective, hard, unfeeling, unsympathetic)
0
cynical(adjective, hard, unfeeling, unsympathetic)
0
deaf to(expression, adjective, hard, unfeeling, unsympathetic)
0
hard(adjective, unfeeling, unsympathetic, toughened)
0
hard-nosed(adjective, hard, unfeeling, unsympathetic)
0
impassive(adjective, hard, unfeeling, unsympathetic)
0
impenitent(adjective, hard, unfeeling, unsympathetic)
0
inflexible(adjective, hard, straight, unfeeling, unsympathetic)
0
insensate(adjective, hard, unfeeling, unsympathetic)
0
insensible(adjective, dull, quiet, hard, flat)
0
insensitive(adjective, dull, quiet, hard, flat)
0
insentient(adjective, hard, unfeeling, unsympathetic)
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APASmart Define. (2015). accustomed thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/accustomed/thesaurus/synonyms
ChicagoSmart Define. 2015. "accustomed thesaurus" https://smartdefine.org/accustomed/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, accustomed thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/accustomed/thesaurus/synonyms>.
MLASmart Define. "accustomed thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/accustomed/thesaurus/synonyms>