37 entries under adjective topic. ×
| organic(unimportant, inorganic) | |
| required | |
| necessary(unimportant, trivial, valuable, essential) | |
| indispensable | |
| essential | |
| imperative | |
| mandatory(necessary, required) | |
| needed | |
| basic(insignificant, intricate) | |
| crucial | |
| important(dull, weak, little) | |
| inevitable | |
| integral(basic, necessary) | |
| inescapable | |
| main(common, inferior, utter, absolute) | |
| necessitous | |
| prerequisite(secondary, necessary) | |
| staple(basic, necessary) | |
| subservient(useful, secondary, disobedient) | |
| urgent |
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| APA | Smart Define. (2015). unnecessary thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unnecessary/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "unnecessary thesaurus" https://smartdefine.org/unnecessary/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, unnecessary thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unnecessary/thesaurus/antonyms>. |
| MLA | Smart Define. "unnecessary thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/unnecessary/thesaurus/antonyms> |