96 entries under important topic. ×
| required(adjective, right, capital, essential) | |
| essential(noun, adjective, body, material, big) | |
| requisite(noun, adjective, want, need) | |
| indispensable(adjective, significant, original, essential) | |
| vital(adjective, body, material, big) | |
| fundamental(noun, adjective, body, material) | |
| imperative(adjective, essential, critical, vital) | |
| prerequisite(noun, adjective, want, need) | |
| urgent(adjective, substantial, valuable, essential) | |
| crucial(adjective, big, significant, original) | |
| needful(adjective, set, original, capital) | |
| organic(adjective, significant, natural, animate) | |
| needed(adjective, essential, critical, verb) | |
| basic(noun, adjective, body, material) | |
| key(adjective, significant, original, essential) | |
| cardinal(noun, adjective, significant, original) | |
| compelling(adjective, reasonable, sensible, serious) | |
| exigent(adjective, substantial, serious, valuable) | |
| main(adjective, significant, original, capital) | |
| pressing(adjective, substantial, serious, essential) |
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| APA | Smart Define. (2015). necessary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/necessary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "necessary thesaurus" https://smartdefine.org/necessary/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, necessary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/necessary/thesaurus/synonyms>. |
| MLA | Smart Define. "necessary thesaurus" 2 November 2015. Web. 23 September 2026. <https://smartdefine.org/necessary/thesaurus/synonyms> |