147 entries under fundamental topic. ×
| substratal(adjective, simple, plain, important, significant) | |
| ABCs(noun, adjective, law, clear, simple) | |
| abecedarian(adjective, simple, straightforward, uncomplicated) | |
| bare bones(noun, expression, adjective, idiom, simple) | |
| basic facts(noun, expression, shorts, undercarriage) | |
| bottom-line(adjective, important, significant, original, essential) | |
| characteristic(adjective, natural, essential, instinctive) | |
| coal-and-ice(important, essential, critical, key) | |
| coal and ice(noun, expression, idiom, law, important) | |
| cold(adjective, hard, severe, absolute) | |
| core(noun, adjective, emotion, original, serious) | |
| credenda(noun, regulation, rule, belief, statement) | |
| early(adjective, head, beginning, opening, original) | |
| essential elements(noun, expression, shorts, undercarriage) | |
| gravamen(noun, heart, shorts, bosom) | |
| heavy(important, essential, critical, key) | |
| immature(adjective, simple, rough, coarse, fresh) | |
| implantation(noun, regulation, rule, belief, statement) | |
| inculcation(noun, regulation, rule, belief, statement) | |
| integrant(noun, drop, material, element) |
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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> |