75 entries under adjective topic. ×
| die-hard | |
| ornery(firm, stiff) | |
| resistant(firm, stiff) | |
| rigorous | |
| strict | |
| crisp(dry, brittle) | |
| nice | |
| unresponsive(firm, stiff) | |
| abrupt | |
| binding | |
| arduous | |
| bullish | |
| contrary | |
| crusty | |
| difficult | |
| dogmatic(opinionated, dictatorial) | |
| dour | |
| enduring | |
| eternal | |
| formal |
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| APA | Smart Define. (2016). flexible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/flexible/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "flexible thesaurus" https://smartdefine.org/flexible/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, flexible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/flexible/thesaurus/antonyms>. |
| MLA | Smart Define. "flexible thesaurus" 28 March 2016. Web. 27 September 2026. <https://smartdefine.org/flexible/thesaurus/antonyms> |