116 entries under hard topic. ×

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indifferent(adjective, unfeeling, unsympathetic, hardened)
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indigestible(adjective, strong, solid, stiff)
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insensate(adjective, unfeeling, unsympathetic, hardened)
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insensible(adjective, unfeeling, unsympathetic, hardened)
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insensitive(adjective, unfeeling, unsympathetic, hardened)
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insentient(adjective, unfeeling, unsympathetic, hardened)
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molded(adjective, strong, solid, stiff)
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soulless(adjective, unfeeling, unsympathetic, hardened)
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spiritless(adjective, unfeeling, unsympathetic, hardened)
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thick-skinned(adjective, unfeeling, unsympathetic, hardened)
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torpid(adjective, unfeeling, unsympathetic, hardened)
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tough as nails(expression, adjective, idiom, strong)
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unconcerned(adjective, unfeeling, unsympathetic, hardened)
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unimpressionable(adjective, unfeeling, unsympathetic, hardened)
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unresponsive(adjective, unfeeling, unsympathetic, hardened)
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unsympathetic(adjective, slow, shy, unfeeling)
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APASmart Define. (2015). resistant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/resistant/thesaurus/synonyms
ChicagoSmart Define. 2015. "resistant thesaurus" https://smartdefine.org/resistant/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, resistant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/resistant/thesaurus/synonyms>.
MLASmart Define. "resistant thesaurus" 19 August 2015. Web. 24 September 2026. <https://smartdefine.org/resistant/thesaurus/synonyms>