78 entries under basic topic. ×
| underlying(adjective, important, significant, original, essential) | |
| basal(adjective, lead, important, head, significant) | |
| elemental(adjective, important, significant, original, essential) | |
| name(verb, important, essential, critical) | |
| primordial(adjective, important, head, significant, beginning) | |
| rudimentary(adjective, important, head, significant, beginning) | |
| absolute(adjective, significant, critical, fundamental) | |
| intrinsic(adjective, important, significant, original, essential) | |
| nub(adjective, absolute, fundamental, central) | |
| original(adjective, important, head, significant, beginning) | |
| primitive(adjective, important, head, significant, beginning) | |
| requisite(important, significant, original, essential, critical) | |
| axiological(important, significant, original, vital) | |
| axiomatic(important, significant, original, vital) | |
| bottom(important, significant, original, vital) | |
| bottom-line(important, significant, original, essential, critical) | |
| coal-and-ice(important, essential, critical, fundamental) | |
| constitutional(adjective, important, significant, original, essential) | |
| deep-seated(adjective, original, essential, absolute) | |
| foundational(important, significant, original, vital) |
For more, visit
Key on
Power Thesaurus
| APA | Smart Define. (2016). key thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/key/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "key thesaurus" https://smartdefine.org/key/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, key thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/key/thesaurus/synonyms>. |
| MLA | Smart Define. "key thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/key/thesaurus/synonyms> |