70 entries under hardened topic. ×

17
established(adjective, common, ordinary, usual, regular)
13
habituated(verb, adjective, set, hard, familiar)
7
used to(verb, expression, adjective, phrasal verb, familiar)
5
inured(adjective, set, hard, familiar, unfeeling)
5
seasoned(adjective, set, hard, familiar, usual)
4
conditioned(adjective, trained, habitual)
3
addicted(verb, adjective, familiar, usual, apt)
2
case-hardened(adjective, hard, unfeeling, unsympathetic, prepared)
2
fixed(adjective, set, usual, established)
1
apathetic(adjective, dull, quiet, hard, flat)
1
benumbed(adjective, dull, hard, unfeeling, unsympathetic)
1
callous(adjective, dull, quiet, hard, unfeeling)
1
coldhearted(adjective, hard, unfeeling, unsympathetic, prepared)
1
contemptuous(adjective, hard, unfeeling, unsympathetic, prepared)
1
disdainful(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, unfeeling, unsympathetic)
1
heartless(adjective, hard, unfeeling, unsympathetic)
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APASmart Define. (2015). accustomed thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/accustomed/thesaurus/synonyms
ChicagoSmart Define. 2015. "accustomed thesaurus" https://smartdefine.org/accustomed/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, accustomed thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/accustomed/thesaurus/synonyms>.
MLASmart Define. "accustomed thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/accustomed/thesaurus/synonyms>