42 entries under hard-boiled topic. ×

7
tough(adjective, strong, hard, continue, rough)
3
callous(adjective, hard, rough, harsh, cruel)
2
hardened(adjective, strong, hard, tough, careless)
2
impenetrable(adjective, hard, unfeeling, unsympathetic, hardened)
2
inured(adjective, hard, careless, indifferent, cruel)
2
obdurate(adjective, hard, rough, harsh, careless)
1
accustomed(adjective, hard, unfeeling, unsympathetic, hardened)
1
apathetic(adjective, hard, tough, careless, indifferent)
1
benumbed(adjective, hard, unfeeling, unsympathetic, hardened)
1
case-hardened(adjective, hard, careless, indifferent, cruel)
1
cold(adjective, hard, tough, careless, indifferent)
1
cold-blooded(adjective, hard, tough, careless, indifferent)
1
coldhearted(adjective, hard, unfeeling, unsympathetic, hardened)
1
contemptuous(adjective, hard, unfeeling, unsympathetic, hardened)
1
cruel(adjective, hard, rough, harsh, careless)
1
cynical(adjective, hard, tough, unfeeling, unsympathetic)
1
disdainful(adjective, hard, unfeeling, unsympathetic, hardened)
1
habituated(adjective, hard, unfeeling, unsympathetic, hardened)
1
hard-as-nails(adjective, hard, unfeeling, unsympathetic, hardened)
1
hardhearted(adjective, hard, careless, indifferent, cruel)
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APASmart Define. (2015). hard-bitten thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hard-bitten/thesaurus/synonyms
ChicagoSmart Define. 2015. "hard-bitten thesaurus" https://smartdefine.org/hard-bitten/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hard-bitten thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hard-bitten/thesaurus/synonyms>.
MLASmart Define. "hard-bitten thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/hard-bitten/thesaurus/synonyms>