Synonyms|501Antonyms|110|Broader|6Narrower|0Related|639

66 entries under toughened topic. ×

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cold-blooded(adjective, hard, unfeeling, unsympathetic, hardened)
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cynical(adjective, hard, unfeeling, unsympathetic, hardened)
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deaf to(expression, adjective, hard, unfeeling, unsympathetic)
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hard(adjective, unfeeling, unsympathetic, hardened)
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hard-edged(adjective, cynical, hard-boiled, hard-bitten)
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hard-nosed(adjective, hard, unfeeling, unsympathetic, hardened)
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hard as nails(expression, idiom, unfeeling, unbending)
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hardened(adjective, hard, unfeeling, unsympathetic)
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impenitent(adjective, hard, unfeeling, unsympathetic, hardened)
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indifferent(adjective, hard, hostile, unfriendly, unfeeling)
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inflexible(adjective, hard, unfeeling, unsympathetic, hardened)
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insensate(adjective, hard, unfeeling, unsympathetic, hardened)
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insensible(adjective, hard, unfeeling, unsympathetic, hardened)
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insensitive(adjective, hard, unfeeling, unsympathetic, hardened)
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insentient(adjective, hard, unfeeling, unsympathetic, hardened)
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soulless(adjective, hard, unfeeling, unsympathetic, hardened)
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spiritless(adjective, hard, unfeeling, unsympathetic, hardened)
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torpid(adjective, hard, unfeeling, unsympathetic, hardened)
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tough(adjective, hard, unfeeling, unsympathetic, hardened)
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unaffected(adjective, hard, unfeeling, unsympathetic, hardened)
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ChicagoSmart Define. 2015. "inaccessible thesaurus" https://smartdefine.org/inaccessible/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2015, inaccessible thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/inaccessible/thesaurus/synonyms>.
MLASmart Define. "inaccessible thesaurus" 20 November 2015. Web. 2 October 2026. <https://smartdefine.org/inaccessible/thesaurus/synonyms>