85 entries under essential topic. ×
| unavoidable(adjective, significant, basic, vital) | |
| wanted(adjective, important, significant, serious, capital) | |
| inherent(fundamental, key, principal, elementary) | |
| necessitous(important, capital, vital, fundamental) | |
| substratal(fundamental, key, principal, elementary) |
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| APA | Smart Define. (2016). chief thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/chief/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "chief thesaurus" https://smartdefine.org/chief/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, chief thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/chief/thesaurus/synonyms>. |
| MLA | Smart Define. "chief thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/chief/thesaurus/synonyms> |