Synonyms|256Antonyms|65|Broader|1Narrower|0Related|245

133 entries under adjective topic. ×

5
critical(original, essential, fundamental, key)
5
implicit in(verb, expression, phrasal verb)
5
original(simple, plain, important, significant)
5
subjacent(lower, beneath)
5
ultimate
4
base(last, bottom)
4
central(top, important, significant, original)
4
constitutional(important, significant, original, essential)
4
indispensable(important, significant, original, essential)
4
key(important, significant, original, essential)
4
latent(hidden, dormant)
4
main(top, original, essential, basic)
4
necessary(important, significant, original, essential)
4
primal
3
capital(essential, fundamental, key, main)
3
concealed(fundamental, latent)
3
covert
3
integral(important, significant, original, essential)
2
chief(top, essential, prime, vital)
2
congenital(essential, basic, absolute, fundamental)
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APASmart Define. (2015). underlying thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/underlying/thesaurus/synonyms
ChicagoSmart Define. 2015. "underlying thesaurus" https://smartdefine.org/underlying/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, underlying thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/underlying/thesaurus/synonyms>.
MLASmart Define. "underlying thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/underlying/thesaurus/synonyms>