- Definitions|2
- Thesaurus|671
- Abbreviations|0
| main(adjective, important, original, serious, capital) | |
| necessaries | |
| necessities | |
| need | |
| significant(adjective, important, original, serious, essential) | |
| wanted(adjective, important, significant, serious, capital) | |
| absolutely necessary(expression, idiom) | |
| all-important(adjective, important, significant, serious, essential) | |
| animated | |
| axiological(important, significant, original, basic, vital) | |
| axiomatic(important, significant, original, basic, vital) | |
| bare necessities | |
| bedrock | |
| biotic | |
| bottom(adjective, important, significant, original, essential) | |
| bounden | |
| call for | |
| called-for | |
| capital(important, essential, vital, key, earnest) | |
| characteristic |
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| APA | Smart Define. (2015). indispensable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/indispensable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indispensable thesaurus" https://smartdefine.org/indispensable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, indispensable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/indispensable/thesaurus/synonyms>. |
| MLA | Smart Define. "indispensable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/indispensable/thesaurus/synonyms> |