16 entries under weak topic. ×
| stubborn(adjective, soft, firm, stiff) | |
| firm(adjective, obscure, uncertain, stiff) | |
| stable(soft, changeable) | |
| unyielding(adjective, firm, stiff, resolute) | |
| solid(loose, unstable, wobbly) | |
| behind one(expression, cool, careless) | |
| faithful(cool, false, faithless) | |
| hard-as-nails | |
| hard as nails(expression, idiom, pleasant, easy) | |
| hardboiled | |
| intent | |
| perseverative | |
| secure(soft, unreliable) | |
| staunch | |
| steadfast | |
| unanxious(soft, uncertain) |
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| APA | Smart Define. (2016). flexible thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/flexible/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "flexible thesaurus" https://smartdefine.org/flexible/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, flexible thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/flexible/thesaurus/antonyms>. |
| MLA | Smart Define. "flexible thesaurus" 28 March 2016. Web. 23 September 2026. <https://smartdefine.org/flexible/thesaurus/antonyms> |