10 entries under vital topic. ×

7
key(adjective, base, important, essential, basic)
5
important(adjective, essential, prime, necessary)
5
leading(adjective, important, essential, prime)
5
underlying(adjective, base, essential, basic, prime)
5
ruling(adjective, important, essential, prime)
3
dominant(adjective, essential, prime, necessary)
3
considerable(adjective, essential, prime, necessary)
3
constitutional(adjective, essential, prime, necessary)
2
initial(adjective, essential, prime, necessary)
1
constitutive(adjective, important, significant, substantial, essential)
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APASmart Define. (2015). ancillary thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/ancillary/thesaurus/antonyms
ChicagoSmart Define. 2015. "ancillary thesaurus" https://smartdefine.org/ancillary/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, ancillary thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/ancillary/thesaurus/antonyms>.
MLASmart Define. "ancillary thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/ancillary/thesaurus/antonyms>