73 entries under important topic. ×
| fundamental(noun, adjective, characteristic, drop, part) | |
| essential(noun, adjective, characteristic, drop, part) | |
| primary(adjective, body, simple, plain, base) | |
| elementary(adjective, characteristic, clear, light, start) | |
| organic(adjective, rough, coarse, significant) | |
| elemental(adjective, body, simple, plain, material) | |
| principal(adjective, body, material, significant) | |
| underlying(adjective, simple, plain, base) | |
| first(adjective, order, significant, opening) | |
| main(adjective, top, significant, essential) | |
| prime(adjective, body, material, pure) | |
| vital(adjective, body, material, significant) | |
| necessary(noun, adjective, body, material) | |
| intrinsic(adjective, characteristic, significant, natural) | |
| original(adjective, characteristic, body, simple, plain) | |
| key(adjective, property, head, significant) | |
| cardinal(noun, adjective, property, head) | |
| rudimentary(adjective, hard, start, simple, plain) | |
| basal(adjective, body, start, simple, plain) | |
| chief(adjective, significant, essential, prime) |
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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> |