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

32 entries under primary topic. ×

15
fundamental(adjective, clear, simple, plain, pure)
3
essential(adjective, simple, plain, pure, important)
2
bottom-line(adjective, important, significant, original, essential)
2
meat-and-potatoes(adjective, base, important, significant, fresh)
2
substratal(adjective, simple, plain, important, significant)
1
axiological(adjective, important, significant, original, essential)
1
axiomatic(adjective, important, significant, original, basic)
1
cardinal(adjective, important, significant, original, basic)
1
central(adjective, important, significant, original, basic)
1
constitutional(adjective, important, significant, original, basic)
1
constitutive(adjective, important, significant, original, basic)
1
crucial(adjective, important, significant, original, basic)
1
grass-roots(adjective, important, significant, original, essential)
1
indispensable(adjective, important, significant, original, basic)
1
integral(adjective, important, significant, original, essential)
1
intrinsic(adjective, important, significant, original, basic)
1
key(adjective, important, significant, original, basic)
1
major(adjective, important, significant, original, basic)
1
necessary(adjective, important, significant, original, basic)
1
paramount(adjective, important, significant, original, basic)
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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>