Synonyms|713Antonyms|152|Broader|9Narrower|8Related|663

68 entries under hardened topic. ×

1
habituated(adjective, hard, unfeeling, unsympathetic, prepared)
1
hard-as-nails(adjective, hard, unfeeling, unsympathetic, prepared)
1
hard-bitten(adjective, hard, unfeeling, unsympathetic)
1
hard-boiled(adjective, hard, unfeeling, unsympathetic)
1
hardhearted(adjective, hard, cruel, unfeeling, unsympathetic)
1
heartless(adjective, hard, cruel, unfeeling, unsympathetic)
1
impassive(adjective, hard, unfeeling, unsympathetic)
1
impious(adjective, hard, unfeeling, unsympathetic, prepared)
1
indurated(adjective, set, hard, firm, stiff)
1
inured(adjective, hard, unfeeling, unsympathetic)
1
irreverent(adjective, hard, unfeeling, unsympathetic, prepared)
1
obdurate(adjective, hard, unfeeling, unsympathetic)
1
prepared(adjective, hard, unfeeling, unsympathetic)
1
seasoned(adjective, hard, unfeeling, unsympathetic, prepared)
1
steeled(adjective, hard, unfeeling, unsympathetic, prepared)
1
toughened(adjective, hard, unfeeling, unsympathetic)
1
unashamed(adjective, hard, unfeeling, unsympathetic, prepared)
1
unbending(adjective, hard, unfeeling, unsympathetic)
1
uncompassionate(adjective, hard, unfeeling, unsympathetic)
1
unemotional(adjective, hard, cruel, unfeeling, unsympathetic)
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ChicagoSmart Define. 2015. "impenetrable thesaurus" https://smartdefine.org/impenetrable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, impenetrable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/impenetrable/thesaurus/synonyms>.
MLASmart Define. "impenetrable thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/impenetrable/thesaurus/synonyms>