Synonyms|49Antonyms|1|Broader|0Narrower|0Related|0
1
intrinsic(adjective, important, significant, original, essential)
1
key(adjective, important, significant, original, essential)
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major(adjective, important, significant, original, essential)
1
meat-and-potatoes(adjective, important, significant, original, essential)
1
necessary(adjective, important, significant, original, essential)
1
original(adjective, important, significant, essential, basic)
1
paramount(adjective, important, significant, original, essential)
1
primary(adjective, important, significant, original, essential)
1
prime(adjective, important, significant, original, essential)
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primitive(adjective, important, significant, original, essential)
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primordial(adjective, important, significant, original, essential)
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principal(adjective, important, significant, original, essential)
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radical(adjective, important, significant, original, essential)
1
requisite(adjective, important, significant, original, essential)
1
rudimentary(adjective, important, significant, original, essential)
1
significant(adjective, important, original, essential, basic)
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structural(adjective, important, significant, original, basic)
1
substratal(adjective, important, significant, original, essential)
1
supporting(adjective, important, significant, original, essential)
1
sustaining(adjective, important, significant, original, essential)
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APASmart Define. (2011). substrative thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/substrative/thesaurus/synonyms
ChicagoSmart Define. 2011. "substrative thesaurus" https://smartdefine.org/substrative/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2011, substrative thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/substrative/thesaurus/synonyms>.
MLASmart Define. "substrative thesaurus" 22 May 2011. Web. 21 September 2026. <https://smartdefine.org/substrative/thesaurus/synonyms>