- Definitions|3
- Thesaurus|567
- Abbreviations|0
32 entries under simple topic. ×
| fundamental(adjective, plain, important, straightforward) | |
| basic(adjective, plain, base, important) | |
| essential(adjective, plain, important, significant) | |
| primary(adjective, plain, base, important) | |
| elementary(adjective, plain, important, significant) | |
| elemental(adjective, plain, important, significant) | |
| rudimentary(adjective, plain, important, significant) | |
| basal(adjective, plain, base, important) | |
| primitive(adjective, plain, important, significant) | |
| foundational(adjective, plain, base, important) | |
| original(adjective, plain, important, significant) | |
| substratal(adjective, plain, important, significant) | |
| ABCs(straightforward, basic, uncomplicated) | |
| abecedarian(straightforward, basic, uncomplicated) | |
| beginning(straightforward, basic, uncomplicated) | |
| clear(straightforward, basic, uncomplicated) | |
| duck soup(expression, straightforward, basic, uncomplicated) | |
| easy(straightforward, basic, uncomplicated) | |
| facile(straightforward, basic, uncomplicated) | |
| initial(top, straightforward, basic, first) |
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| APA | Smart Define. (2015). underlying thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/underlying/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "underlying thesaurus" https://smartdefine.org/underlying/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, underlying thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/underlying/thesaurus/synonyms>. |
| MLA | Smart Define. "underlying thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/underlying/thesaurus/synonyms> |