140 entries under essential topic. ×
| demand(noun, want, need, certainty) | |
| desideratum(noun, want, need, certainty) | |
| elementary(adjective, easy, important, significant, original) | |
| integral(adjective, body, material, important, significant) | |
| necessitous(adjective, important, capital, vital) | |
| primary(adjective, body, material, big, important) | |
| quintessential(adjective, required, needed) | |
| substantive | |
| want(noun, verb, need, certainty) | |
| called for(verb, expression, phrasal verb, right) | |
| all-important(adjective, required, needed) | |
| basal(adjective, body, material, important, significant) | |
| expedient(adjective, required, wanted, needed) | |
| of the essence(expression, adjective, idiom, important) | |
| sine qua non(noun, expression, idiom, need) | |
| underlying(adjective, important, significant, original) | |
| bottom-line(adjective, important, significant, original) | |
| called-for(adjective, important, serious, critical) | |
| duty(noun, want, obligation, requirement) | |
| elemental(adjective, body, material, important, significant) |
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| APA | Smart Define. (2015). necessary thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/necessary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "necessary thesaurus" https://smartdefine.org/necessary/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, necessary thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/necessary/thesaurus/synonyms>. |
| MLA | Smart Define. "necessary thesaurus" 2 November 2015. Web. 24 September 2026. <https://smartdefine.org/necessary/thesaurus/synonyms> |