Synonyms|256Antonyms|65|Broader|1Narrower|0Related|245
1
substantive
1
substrative(adjective, important, significant, original, essential)
1
supporting(adjective, important, significant, original, essential)
1
sustaining(adjective, important, significant, original, essential)
1
theoretical(adjective, important, significant, original, essential)
1
true
1
unclear
1
uncomplex(simple, straightforward, basic, uncomplicated)
1
uncomplicated(simple, straightforward, basic, unsophisticated)
1
under the surface(expression, idiom)
1
underived(adjective, rough, important, significant, original)
1
underlie
1
undermost(adjective, base, last, bottom)
1
underneath
1
unexpressed
1
unmanifested
1
vestigial
1
virtual
0
Freudian
0
abecedary
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APASmart Define. (2015). underlying thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/underlying/thesaurus/synonyms
ChicagoSmart Define. 2015. "underlying thesaurus" https://smartdefine.org/underlying/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, underlying thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/underlying/thesaurus/synonyms>.
MLASmart Define. "underlying thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/underlying/thesaurus/synonyms>