81 entries under significant topic. ×
| intrinsic(adjective, important, original, essential) | |
| original(adjective, important, head, beginning) | |
| primitive(adjective, important, head, beginning) | |
| axiological(important, original, basic, vital) | |
| axiomatic(important, original, basic, vital) | |
| bottom(adjective, important, original, essential) | |
| compelling(adjective, essential, basic, vital) | |
| compulsory(adjective, essential, basic, vital) | |
| decisive(adjective, important, essential, critical) | |
| foundational(important, original, basic, vital) | |
| grass-roots(important, original, basic, vital) | |
| imperative(adjective, important, capital, essential) | |
| mandatory(adjective, essential, basic, vital) | |
| meat-and-potatoes(important, original, essential, critical) | |
| momentous(adjective, important, substantial, serious) | |
| needed(adjective, important, capital, essential) | |
| prerequisite(adjective, important, capital, essential) | |
| quintessential(adjective, essential, basic, vital) | |
| required(adjective, important, capital, essential) | |
| structural(important, original, basic, vital) |
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Cardinal on
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| APA | Smart Define. (2015). cardinal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cardinal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "cardinal thesaurus" https://smartdefine.org/cardinal/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, cardinal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cardinal/thesaurus/synonyms>. |
| MLA | Smart Define. "cardinal thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/cardinal/thesaurus/synonyms> |