78 entries under adjective topic. ×

11
primary(inferior, last, basic)
5
organic(unimportant, inorganic)
4
basic(insignificant, fundamental, intricate, elementary)
4
first-class(important, useful)
3
key(insignificant, unimportant)
3
superior(important, ordinary, useful, normal)
2
capital(inferior, insignificant, essential, main)
2
chief(important, inferior, useful, unimportant)
2
foremost(order, first)
2
fundamental(important, basic)
2
important(dull, weak, useful, little)
2
major(important, inferior, useful, little)
2
original
2
prime
2
key details(insignificant, unimportant, minor, subordinate)
2
mainstream
2
underlying(fundamental, latent)
1
main(important, common, inferior, useful)
1
cardinal(important, key)
1
central(main, middle, principal)
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APASmart Define. (2015). secondary thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/secondary/thesaurus/antonyms
ChicagoSmart Define. 2015. "secondary thesaurus" https://smartdefine.org/secondary/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, secondary thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/secondary/thesaurus/antonyms>.
MLASmart Define. "secondary thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/secondary/thesaurus/antonyms>