210 entries under essential topic. ×
| portion(drop, part, material, element) | |
| precondition(noun, condition, essence, requirement) | |
| preeminent(adjective, opening, original, serious) | |
| pressing(adjective, significant, vital, required) | |
| privation(requirement, prerequisite) | |
| prominent(adjective, prime, key, main) | |
| right(noun, want, requirement, necessity) | |
| shortage(noun, want, requirement, necessity) | |
| specified(adjective, significant, vital, fundamental) | |
| spirit(noun, emotion, heart, mood) | |
| sublime(adjective, fundamental, supreme) | |
| substance(condition, heart, essence, necessity) | |
| superlative(adjective, fundamental, supreme) | |
| surpassing(adjective, fundamental, supreme) | |
| topmost(adjective, fundamental, supreme) | |
| towering(adjective, fundamental, supreme) | |
| transcendent(adjective, prime, fundamental, key) | |
| transcendental(adjective, fundamental, supreme) | |
| unavoidable(adjective, significant, vital, fundamental) | |
| undeniability(requirement, prerequisite) |
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| APA | Smart Define. (2015). basic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/basic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "basic thesaurus" https://smartdefine.org/basic/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, basic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/basic/thesaurus/synonyms>. |
| MLA | Smart Define. "basic thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/basic/thesaurus/synonyms> |