71 entries under fundamental topic. ×
| intrinsic(adjective, characteristic, important, significant, natural) | |
| bottom(adjective, important, significant, original, essential) | |
| crucial(adjective, important, significant, original, essential) | |
| embryonic(adjective, simple, beginning, opening, original) | |
| necessary(adjective, easy, important, significant, original) | |
| vital(adjective, top, important, significant, original) | |
| critical(adjective, original, essential, basic) | |
| early(adjective, simple, head, beginning, opening) | |
| indispensable(adjective, characteristic, important, significant, natural) | |
| substratal(adjective, simple, plain, important, significant) | |
| absolute(adjective, simple, clean, plain, pure) | |
| bottom-line(adjective, important, significant, original, essential) | |
| deep-seated(adjective, characteristic, original, essential, basic) | |
| immature(simple, basic, imperfect, undeveloped) | |
| larval(simple, basic) | |
| latent(adjective, characteristic, natural, original, essential) | |
| name of game(expression, adjective, idiom, significant, essential) | |
| needful(adjective, significant, original, essential, basic) | |
| nitty-gritty(adjective, original, basic, absolute) | |
| nub(adjective, original, basic, absolute) |
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| APA | Smart Define. (2015). elementary thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/elementary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "elementary thesaurus" https://smartdefine.org/elementary/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, elementary thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/elementary/thesaurus/synonyms>. |
| MLA | Smart Define. "elementary thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/elementary/thesaurus/synonyms> |