85 entries under essential topic. ×
| stellar(adjective, quality, top, superior, important) | |
| necessary(adjective, big, important, significant, substantial) | |
| consequential(adjective, important, prominent, main) | |
| elementary(adjective, top, significant, original) | |
| potent(adjective, important) | |
| salient(adjective, big, important, wonderful, exceptional) | |
| crucial(adjective, great, big, heavy, important) | |
| effective(adjective, important) | |
| overruling(adjective, importance, serious, basic) | |
| radical(importance, important, significant, fundamental) | |
| telling(adjective, important) | |
| weighty(adjective, big, important, significant, substantial) | |
| elemental(adjective, fundamental, key, principal) | |
| especial(adjective, extraordinary, superior, unusual, important) | |
| requisite(adjective, important, significant, capital) | |
| compelling(adjective, important, significant, serious) | |
| indispensable(adjective, important, significant, serious, capital) | |
| needful(adjective, important, significant, capital) | |
| required(adjective, important, significant, serious, capital) | |
| underlying(adjective, top, prime, vital) |
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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> |