117 entries under harsh topic. ×

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cold(adjective, tough, severe, cruel)
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cold-blooded(adjective, tough, violent, vicious)
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cold fish(expression, adjective, tough, grim)
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hard-boiled(adjective, strong, hard, tough, severe)
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hardboiled(grim, painful, bleak)
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implacable(adjective, strong, hard, tough)
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inexorable(adjective, strong, hard, tough)
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intolerable(adjective, tough, severe, grim)
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rancorous(adjective, tough, grim, painful)
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resentful(adjective, tough, severe, grim)
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squawky
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thick-skinned(adjective, tough, grim, painful)
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unbending(adjective, strong, hard, tough)
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unfeeling(adjective, tough, severe, cruel)
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unjust(adjective, tough, severe, grim)
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unsympathetic(adjective, tough, grim, painful)
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vengeful(adjective, tough, grim, painful)
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APASmart Define. (2015). rugged thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms
ChicagoSmart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, rugged thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>.
MLASmart Define. "rugged thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms>