Synonyms|665Antonyms|174|Broader|10Narrower|15Related|812

53 entries under primary topic. ×

3
bottom-line(adjective, important, significant, original, essential)
3
elemental(adjective, body, material, important, significant)
3
intrinsic(adjective, important, significant, original, essential)
3
primitive(adjective, body, material, important, significant)
2
bottom(adjective, important, significant, original, essential)
2
core(original, fundamental, key, main, chief)
1
axiological(adjective, important, significant, original, essential)
1
axiomatic(important, significant, original, basic, vital)
1
constitutional(adjective, body, material, important, significant)
1
first(adjective, important, significant, original, essential)
1
foundational(adjective, important, significant, original, essential)
1
grass-roots(adjective, important, significant, original, essential)
1
major(adjective, important, significant, original, essential)
1
meat-and-potatoes(adjective, important, significant, original, essential)
1
original(adjective, body, material, important, significant)
1
primordial(adjective, important, significant, original, essential)
1
radical(adjective, important, significant, original, essential)
1
rudimentary(adjective, important, significant, original, essential)
1
substratal(adjective, important, significant, original, essential)
1
substrative(adjective, important, significant, original, essential)
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ChicagoSmart Define. 2015. "necessary thesaurus" https://smartdefine.org/necessary/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, necessary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/necessary/thesaurus/synonyms>.
MLASmart Define. "necessary thesaurus" 2 November 2015. Web. 23 September 2026. <https://smartdefine.org/necessary/thesaurus/synonyms>