1
number one(adjective, important, essential, main, chief)
1
potent(adjective, important, essential, main, chief)
1
predominant(adjective, important, essential, main, chief)
1
prevailing(adjective, main, principal, predominant)
1
primitive(adjective, base, basic, key, main)
1
radical(adjective, base, basic, key, main)
1
star(adjective, important, essential, main, chief)
1
substratal(adjective, base, basic, key, main)
1
superior(adjective, important, essential, main, chief)
1
telling(adjective, important, essential, main, chief)
-1
deciding
-1
top
-1
unsupportive
-1
animated
-1
asset
-1
crack
-1
egregious
-1
executive
-1
first light
-1
greater
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APASmart Define. (2015). ancillary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ancillary/thesaurus/antonyms
ChicagoSmart Define. 2015. "ancillary thesaurus" https://smartdefine.org/ancillary/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, ancillary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ancillary/thesaurus/antonyms>.
MLASmart Define. "ancillary thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/ancillary/thesaurus/antonyms>