123 entries under basic topic. ×

8
primitive(adjective, simple, plain, important, head)
7
inherent(adjective, characteristic, essential, absolute)
6
beginning(adjective, start, simple, plain, head)
6
foundational(adjective, simple, pure, important, straightforward)
6
preliminary(adjective, simple, first, previous)
6
radical(adjective, important, significant, original, essential)
5
main(adjective, top, original, essential)
5
abecedarian(adjective, simple, straightforward, fundamental)
5
cardinal(adjective, important, head, significant, beginning)
5
chief(adjective, top, significant, original, essential)
5
integral(adjective, characteristic, important, significant, natural)
5
key(adjective, important, head, significant, beginning)
5
unsophisticated(adjective, simple, straightforward, unfussy)
4
central(adjective, top, important, significant, original)
4
constitutional(adjective, top, important, significant, original)
4
facile(adjective, clear, light, smooth, simple)
4
intrinsic(adjective, characteristic, important, significant, natural)
4
prefatory(adjective, simple)
4
preparatory(adjective, introductory)
3
bottom(adjective, important, significant, original, essential)
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APASmart Define. (2015). elementary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/elementary/thesaurus/synonyms
ChicagoSmart Define. 2015. "elementary thesaurus" https://smartdefine.org/elementary/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, elementary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/elementary/thesaurus/synonyms>.
MLASmart Define. "elementary thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/elementary/thesaurus/synonyms>