31 entries under fundamental topic. ×

1
primo(adjective, simple, straightforward, basic)
1
simplest(adjective, simple, straightforward, basic)
1
simplex(adjective, simple, straightforward, basic)
1
simplified(adjective, simple, straightforward, basic)
1
straightforward(adjective, simple, basic, uncomplicated)
1
substrative(adjective, important, significant, original, essential)
1
sustaining(adjective, important, significant, original, basic)
1
uncomplex(adjective, simple, straightforward, basic)
1
uncomplicated(adjective, simple, straightforward, basic)
1
underived(adjective, important, significant, fresh, original)
0
grassroots(adjective, important, significant, essential, basic)
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APASmart Define. (2015). foundational thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/foundational/thesaurus/synonyms
ChicagoSmart Define. 2015. "foundational thesaurus" https://smartdefine.org/foundational/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, foundational thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/foundational/thesaurus/synonyms>.
MLASmart Define. "foundational thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/foundational/thesaurus/synonyms>