Synonyms|1.3kAntonyms|350|Broader|9Narrower|12Related|1.5k

76 entries under basic topic. ×

1
foundational(adjective, important, original, essential)
1
grass-roots(adjective, important, original, essential)
1
intrinsic(adjective, important, original, substantial, serious)
1
meat-and-potatoes(adjective, important, original, essential, critical)
1
needed(adjective, important, essential, critical)
1
original(adjective, important, essential, vital)
1
prerequisite(adjective, important, essential, critical)
1
primitive(adjective, important, original, essential)
1
primordial(adjective, important, original, essential)
1
required(adjective, important, essential, critical)
1
requisite(adjective, important, original, essential, critical)
1
rudimentary(adjective, important, original, essential)
1
ruling(adjective, important, essential, prominent)
1
structural(important, original, vital, major)
1
substratal(adjective, important, original, essential)
1
substrative(adjective, important, original, essential)
1
supporting(adjective, important, original, essential)
1
sustaining(adjective, important, original, essential)
1
theoretical(adjective, important, original, essential)
1
underived(adjective, important, original, essential)
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ChicagoSmart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, significant thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>.
MLASmart Define. "significant thesaurus" 4 March 2016. Web. 22 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms>