Synonyms|158Antonyms|2|Broader|0Narrower|0Related|29

131 entries under adjective topic. ×

15
fundamental(clear, simple, plain, pure)
8
basic(simple, base, pure, important)
7
basal(simple, base, pure, important)
7
elementary(simple, pure, important, straightforward)
7
radical(base, important, last, original)
7
underlying(simple, base, important, straightforward)
6
bottom(important, significant, original, basic)
6
primary(simple, base, pure, important)
4
elemental(simple, pure, important, straightforward)
4
initial(simple, opening, straightforward, basic)
4
nascent
4
original(simple, important, opening, straightforward)
4
prime(pure, important, significant, original)
3
aboriginal
3
essential(simple, plain, pure, important)
3
formative
3
introductory(simple, opening, straightforward, basic)
3
primal
3
primitive(simple, important, straightforward, original)
3
rudimentary(simple, important, straightforward, original)
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APASmart Define. (2015). foundational thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/foundational/thesaurus/synonyms
ChicagoSmart Define. 2015. "foundational thesaurus" https://smartdefine.org/foundational/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, foundational thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/foundational/thesaurus/synonyms>.
MLASmart Define. "foundational thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/foundational/thesaurus/synonyms>