46 entries under primary topic. ×

1
axiomatic(important, original, basic, vital)
1
bottom-line(adjective, important, significant, original, essential)
1
deep-seated(adjective, original, essential, basic, absolute)
1
first(important, original, serious, basic, prime)
1
grass-roots(important, original, basic, vital)
1
intrinsic(adjective, important, significant, original, essential)
1
meat-and-potatoes(base, important, last, original, basic)
1
nitty-gritty(adjective, original, basic, absolute, fundamental)
1
nub(adjective, original, basic, absolute, fundamental)
1
paramount(important, original, serious, basic, prime)
1
requisite(important, original, essential, basic, vital)
1
root(noun, adjective, original, basic, fundamental)
1
significant(important, original, basic, vital)
1
substrative(important, original, basic, vital)
1
supporting(important, original, basic, vital)
1
sustaining(important, original, basic, vital)
1
theoretical(important, original, basic, vital)
1
underived(important, original, basic, vital)
1
vital(adjective, body, material, important, significant)
0
concealed(adjective, original, basic, fundamental)
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APASmart Define. (2015). basal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/basal/thesaurus/synonyms
ChicagoSmart Define. 2015. "basal thesaurus" https://smartdefine.org/basal/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, basal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/basal/thesaurus/synonyms>.
MLASmart Define. "basal thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/basal/thesaurus/synonyms>