- Definitions|2
- Thesaurus|820
- Abbreviations|0
106 entries under basic topic. ×
| essential(noun, adjective, right, condition, important) | |
| necessary(noun, adjective, important, want, need) | |
| required(adjective, close, correct, exact, important) | |
| indispensable(adjective, important, significant, original, essential) | |
| imperative(noun, adjective, important, need, significant) | |
| prerequisite(noun, adjective, condition, important, want) | |
| necessity(noun, condition, want, need, essential) | |
| requirement(noun, right, condition, want, need) | |
| mandatory(adjective, significant, essential, vital) | |
| vital(adjective, important, significant, original, essential) | |
| needful(adjective, important, significant, capital, essential) | |
| compulsory(adjective, significant, essential, vital) | |
| obligatory(adjective, appropriate, proper, significant, suitable) | |
| must(noun, adjective, right, condition, want) | |
| needed(adjective, close, correct, exact, important) | |
| condition(noun, need, essential, essence) | |
| need(noun, condition, want, essential, certainty) | |
| demand(noun, right, want, need, essential) | |
| fundamental(noun, adjective, important, need, significant) | |
| sine qua non(noun, expression, idiom, condition, need) |
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| APA | Smart Define. (2015). requisite thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/requisite/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "requisite thesaurus" https://smartdefine.org/requisite/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, requisite thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/requisite/thesaurus/synonyms>. |
| MLA | Smart Define. "requisite thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/requisite/thesaurus/synonyms> |