Synonyms|230Antonyms|58|Broader|1Narrower|0Related|469
1
persevering
1
pertinacious
1
petrified
1
pigheaded
1
prepared(adjective, hard, unfeeling, unsympathetic, hardened)
1
proof against
1
reinforced
1
resistant(adjective, hard, unfeeling, unsympathetic, prepared)
1
restive
1
rigidified
1
run-in
1
run in
1
sclerotic
1
seared
1
self-willed
1
shameless
1
solidified
1
soulless(adjective, hard, careless, indifferent, cruel)
1
spiritless(adjective, hard, careless, indifferent, cruel)
1
steeled against
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APASmart Define. (2015). case-hardened thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/case-hardened/thesaurus/synonyms
ChicagoSmart Define. 2015. "case-hardened thesaurus" https://smartdefine.org/case-hardened/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, case-hardened thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/case-hardened/thesaurus/synonyms>.
MLASmart Define. "case-hardened thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/case-hardened/thesaurus/synonyms>