131 entries under adjective topic. ×

1
unalloyed
1
unblemished
1
uncluttered
1
uncomplex(simple, straightforward, basic, fundamental)
1
uncomplicated(simple, straightforward, basic, fundamental)
1
undefiled
1
underived(important, significant, fresh, original)
1
undermost(base, last, bottom)
1
undiluted
1
unsullied
1
untainted
1
untarnished
1
virtuous
1
vital(important, significant, original, basic)
0
conclusive
0
deep-seated(original, basic, primary, profound)
0
exhaustive
0
extreme
0
final
0
foremost
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APASmart Define. (2015). foundational thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/foundational/thesaurus/synonyms
ChicagoSmart Define. 2015. "foundational thesaurus" https://smartdefine.org/foundational/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, foundational thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/foundational/thesaurus/synonyms>.
MLASmart Define. "foundational thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/foundational/thesaurus/synonyms>