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ancillary
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accessory(adjective, fundamental, learned, foundational, grass-roots)
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APASmart Define. (2011). substratal thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/substratal/thesaurus/antonyms
ChicagoSmart Define. 2011. "substratal thesaurus" https://smartdefine.org/substratal/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2011, substratal thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/substratal/thesaurus/antonyms>.
MLASmart Define. "substratal thesaurus" 24 May 2011. Web. 21 September 2026. <https://smartdefine.org/substratal/thesaurus/antonyms>