Synonyms|541Antonyms|146|Broader|5Narrower|8Related|402

1 entry under hardness topic. ×

3
adamant(adjective, firmness, solidity, sturdiness)
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APASmart Define. (2015). unchangeable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unchangeable/thesaurus/related
ChicagoSmart Define. 2015. "unchangeable thesaurus" https://smartdefine.org/unchangeable/thesaurus/related (accessed September 27, 2026).
HarvardSmart Define 2015, unchangeable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unchangeable/thesaurus/related>.
MLASmart Define. "unchangeable thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/unchangeable/thesaurus/related>