134 entries under basic topic. ×
| initial(adjective, order, start, simple, plain) | |
| key(adjective, lead, important, head, significant) | |
| predominant(adjective, good, important, exceptional, head) | |
| primitive(adjective, body, cause, start, simple) | |
| underlying(adjective, simple, plain, base, important) | |
| basal(adjective, body, simple, lead, plain) | |
| direct(adjective, clear, top, exact, active) | |
| rudimentary(adjective, simple, plain, important, head) | |
| primal(adjective, lead, pure, head, master) | |
| radical(adjective, cause, base, importance, important) | |
| vital(adjective, body, importance, material, big) | |
| introductory(adjective, simple, plain, head, beginning) | |
| primordial(adjective, cause, start, violent, important) | |
| earliest(adjective, start, simple, top, original) | |
| immediate(adjective, close, clear, direct, top) | |
| staple(adjective, lead, head, master) | |
| outstanding(adjective, important, head, significant, essential) | |
| simple(adjective, top, pure, straightforward) | |
| constitutional(adjective, body, material, important, significant) | |
| crucial(adjective, big, important, significant, original) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |