12 entries under yielding topic. ×
| inflexible(adjective, soft, firm, stiff) | |
| obstinate(adjective, soft, firm, determined, stiff) | |
| willful(adjective, obstinate, stubborn) | |
| steely(adjective, irresolute) | |
| uniform(soft, uneven, pliable) | |
| unadaptable(adjective, soft, firm, stiff) | |
| hard-as-nails | |
| hard as nails(expression, idiom, weak, pleasant, easy) | |
| hardboiled | |
| indomitable | |
| stickling | |
| witting |
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| APA | Smart Define. (2016). flexible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/flexible/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "flexible thesaurus" https://smartdefine.org/flexible/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, flexible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/flexible/thesaurus/antonyms>. |
| MLA | Smart Define. "flexible thesaurus" 28 March 2016. Web. 26 September 2026. <https://smartdefine.org/flexible/thesaurus/antonyms> |