- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
217 entries under essential topic. ×
| pressing(adjective, important, significant, critical) | |
| presumption(noun, support, action, base, beginning) | |
| presupposition(noun, support, action, base, beginning) | |
| principal element(noun, expression, support, action, base) | |
| privation(need, requirement, prerequisite, essentiality) | |
| proof(noun, support, action, base, beginning) | |
| reason(noun, support, regulation, action, cause) | |
| sanction(noun, support, action, base, beginning) | |
| security(noun, support, action, base, beginning) | |
| source(noun, law, support, regulation, action) | |
| specified(adjective, significant, basic, vital) | |
| support(noun, action, base, beginning, source) | |
| supreme(adjective, opening, original, prime) | |
| theory(noun, law, support, action, rule) | |
| transcendental(adjective, supernatural, abstract, spiritual) | |
| unavoidable(adjective, significant, basic, vital) | |
| undeniability(need, requirement, prerequisite, essentiality) | |
| underlined(important, critical, basic, key) | |
| urgency(concern, demand, need, requirement) | |
| urgent(adjective, important, significant, critical) |
For more, visit
Fundamental on
Power Thesaurus
| APA | Smart Define. (2016). fundamental thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, fundamental thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>. |
| MLA | Smart Define. "fundamental thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms> |