3
required(adjective, important, significant, essential, critical)
3
requirement(noun, condition, want, essential, essence)
3
rooted
3
seminal
3
short(adjective, severe, essence, crux)
3
significant(adjective, important, original, essential, critical)
3
simon-pure(adjective, pure)
3
staple
3
straightforward(adjective, clear, smooth, simple, uncomplicated)
3
structural(adjective, material, important, natural, original)
3
substantial
3
unadulterated(adjective, pure)
3
uncomplicated(adjective, clear, smooth, simple, easy)
3
understated
3
virtual(adjective, essence)
3
white(adjective, pure)
2
actual
2
antacid
2
axiomatic(adjective, important, original, vital, primary)
2
baseline
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APASmart Define. (2015). basic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/basic/thesaurus/synonyms
ChicagoSmart Define. 2015. "basic thesaurus" https://smartdefine.org/basic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, basic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/basic/thesaurus/synonyms>.
MLASmart Define. "basic thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/basic/thesaurus/synonyms>