- Definitions|2
- Thesaurus|1k
- Abbreviations|0
55 entries under adjective topic. ×
| primal | |
| primary | |
| prime | |
| primordial | |
| principal | |
| proper | |
| radical(basic, fundamental) | |
| respectable | |
| rudimentary(basic, fundamental) | |
| serious | |
| severe | |
| significant | |
| sizable | |
| substantial | |
| underlying |
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| APA | Smart Define. (2015). nonessential thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/nonessential/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "nonessential thesaurus" https://smartdefine.org/nonessential/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, nonessential thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nonessential/thesaurus/antonyms>. |
| MLA | Smart Define. "nonessential thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/nonessential/thesaurus/antonyms> |