Synonyms|251Antonyms|39|Broader|2Narrower|0Related|383

23 entries under set topic. ×

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hard as nails(expression, adjective, idiom, strong)
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indurated(adjective, strong, hard, firm)
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packed(adjective, strong, hard, firm)
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APASmart Define. (2015). adamantine thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/adamantine/thesaurus/synonyms
ChicagoSmart Define. 2015. "adamantine thesaurus" https://smartdefine.org/adamantine/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, adamantine thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/adamantine/thesaurus/synonyms>.
MLASmart Define. "adamantine thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/adamantine/thesaurus/synonyms>