Synonyms|96Antonyms|7|Broader|0Narrower|0Related|17

68 entries under adjective topic. ×

1
primeval(authentic, first, previous, initial)
1
primordial(rough, important, significant, original)
1
principal(important, significant, original, essential)
1
pristine(simple, basic, authentic, first)
1
radical(important, significant, original, essential)
1
requisite(important, significant, original, essential)
1
rudimental(authentic, first, previous, initial)
1
rudimentary(rough, important, significant, fresh)
1
significant(important, original, essential, basic)
1
structural(important, significant, original, basic)
1
substratal(rough, important, significant, fresh)
1
substrative(important, significant, original, essential)
1
supporting(important, significant, original, essential)
1
sustaining(important, significant, original, essential)
1
theoretical(important, significant, original, essential)
1
underivative(simple, basic, authentic, unsophisticated)
1
underlying(rough, important, significant, original)
1
vital(important, significant, original, essential)
0
aboriginal(authentic, first, previous, initial)
0
archetypal(authentic, first, previous, initial)
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ChicagoSmart Define. 2015. "underived thesaurus" https://smartdefine.org/underived/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, underived thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/underived/thesaurus/synonyms>.
MLASmart Define. "underived thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/underived/thesaurus/synonyms>