112 entries under adjective topic. ×

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fitted out
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hard(unfeeling, unsympathetic, hardened, callous)
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hard-edged(toughened, cynical, hard-boiled, hard-bitten)
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hard-nosed(hard, unfeeling, unsympathetic, hardened)
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hard as nails(expression, idiom, determined, serious)
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impassive(hard, unfeeling, unsympathetic, hardened)
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impenitent(hard, unfeeling, unsympathetic, hardened)
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indifferent(hard, unfeeling, unsympathetic, hardened)
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inexcitable(callous, unexcitable)
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inflexible(hard, unfeeling, unsympathetic, hardened)
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insensate(hard, unfeeling, unsympathetic, hardened)
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insensible(hard, unfeeling, unsympathetic, hardened)
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insensitive(hard, tough, unfeeling, unsympathetic)
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insentient(hard, unfeeling, unsympathetic, hardened)
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matter of fact(expression, idiom, callous, unexcitable)
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poker-faced(callous, unexcitable)
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soulless(hard, unfeeling, unsympathetic, hardened)
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spiritless(hard, unfeeling, unsympathetic, hardened)
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stiff(hard, unfeeling, unsympathetic, hardened)
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stoical(callous, unexcitable)
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APASmart Define. (2011). hard-as-nails thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hard-as-nails/thesaurus/synonyms
ChicagoSmart Define. 2011. "hard-as-nails thesaurus" https://smartdefine.org/hard-as-nails/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2011, hard-as-nails thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hard-as-nails/thesaurus/synonyms>.
MLASmart Define. "hard-as-nails thesaurus" 24 May 2011. Web. 29 September 2026. <https://smartdefine.org/hard-as-nails/thesaurus/synonyms>