15
secondary(adjective, subordinate, derivative)
11
last(adjective, moderate, inferior, first, final)
10
ancillary
8
final
8
minor
6
less important
4
alternate
4
auxiliary
4
liminal
3
collateral(adjective, important, major, secondary, indirect)
3
dependent(adjective, lead, head, master, boss)
3
subordinate(adjective, strong, inferior, last, main)
2
derivative
2
incidental
2
indirect
2
inessential
2
inferior
2
lower
2
second-string
2
standby
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APASmart Define. (2016). primary thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/primary/thesaurus/antonyms
ChicagoSmart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, primary thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/primary/thesaurus/antonyms>.
MLASmart Define. "primary thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/primary/thesaurus/antonyms>