106 entries under essential topic. ×
| transcendent(adjective, extreme, best, superlative) | |
| transcendental(adjective, fundamental, supreme) | |
| unavoidable(adjective, basic, vital, required) | |
| unequalable(adjective, extreme, best, superlative) | |
| unmatchable(adjective, extreme, best, superlative) | |
| wanted(adjective, basic, vital, required) |
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| APA | Smart Define. (2016). significant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/significant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, significant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>. |
| MLA | Smart Define. "significant thesaurus" 4 March 2016. Web. 24 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms> |