Synonyms|256Antonyms|65|Broader|1Narrower|0Related|245
2
abapical
2
beneath
2
chief(adjective, top, essential, prime, vital)
2
congenital(adjective, essential, basic, absolute, fundamental)
2
constitutive(important, original, essential, basic, vital)
2
deep(adjective, original, basic, primary)
2
first(adjective, rough, important, significant, original)
2
important(adjective, significant, original, essential, basic)
2
inborn(adjective, essential, basic, absolute, fundamental)
2
innate(adjective, essential, basic, absolute, fundamental)
2
lowest(adjective, base, last, bottom)
2
lurking(adjective, fundamental, latent)
2
material(adjective, essential, basic, absolute, fundamental)
2
natural
2
needful(adjective, fundamental, latent)
2
profound
2
root(adjective, fundamental, latent)
2
staple
2
subconscious
2
substratal(adjective, simple, plain, important, significant)
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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>