71 entries under basic topic. ×
| simple(adjective, straightforward, fundamental, uncomplicated) | |
| simplest(adjective, simple, straightforward, fundamental) | |
| simplex(adjective, simple, straightforward, fundamental) | |
| simplified(adjective, simple, straightforward, fundamental) | |
| sine qua non(noun, expression, idiom, law, condition) | |
| straightforward(adjective, simple, fundamental, uncomplicated) | |
| substance(noun, condition, meaning, essence) | |
| substratal(adjective, simple, straightforward, fundamental) | |
| uncomplex(adjective, simple, straightforward, fundamental) | |
| uncomplicated(adjective, simple, straightforward, fundamental) | |
| underlying(adjective, simple, straightforward, uncomplicated) | |
| axiom(noun, law, foundation, stipulation) | |
| condition(noun, essence, necessity, quintessence) | |
| constituent(law, foundation, stipulation, tenet) | |
| cornerstone(law, base, foundation, basis) | |
| essence(condition, effect, meaning, necessity) | |
| fire and ice(noun, expression, idiom, condition, essence) | |
| groceries(noun, condition, essence, necessity) | |
| law(foundation, stipulation, tenet, axiom) | |
| must(noun, condition, essence, necessity) |
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| APA | Smart Define. (2013). abcs thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/abcs/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "abcs thesaurus" https://smartdefine.org/abcs/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2013, abcs thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/abcs/thesaurus/synonyms>. |
| MLA | Smart Define. "abcs thesaurus" 17 June 2013. Web. 22 September 2026. <https://smartdefine.org/abcs/thesaurus/synonyms> |