Synonyms|1kAntonyms|253|Broader|5Narrower|1Related|546

1 entry under firmness topic. ×

3
adamant(adjective, hardness, solidity, sturdiness)
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APASmart Define. (2016). rigorous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rigorous/thesaurus/related
ChicagoSmart Define. 2016. "rigorous thesaurus" https://smartdefine.org/rigorous/thesaurus/related (accessed September 26, 2026).
HarvardSmart Define 2016, rigorous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rigorous/thesaurus/related>.
MLASmart Define. "rigorous thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/rigorous/thesaurus/related>