Synonyms|303Antonyms|41|Broader|2Narrower|0Related|548

28 entries under stiff topic. ×

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inflexible(adjective, set, strong, hard, firm)
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iron(adjective, set, strong, hard, firm)
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rigid(adjective, set, strong, hard, firm)
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rocky(adjective, set, strong, hard, firm)
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stony(adjective, set, strong, hard, firm)
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tough(adjective, firm, rigid, stubborn)
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unbreakable(adjective, firm, rigid)
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unyielding(adjective, hard, firm, compact)
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APASmart Define. (2015). compacted thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/compacted/thesaurus/synonyms
ChicagoSmart Define. 2015. "compacted thesaurus" https://smartdefine.org/compacted/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, compacted thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/compacted/thesaurus/synonyms>.
MLASmart Define. "compacted thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/compacted/thesaurus/synonyms>