2
dependent(adjective, relational)
2
needless(adjective, extraordinary, new, spare, fresh)
2
non-essential
2
redundant(adjective, extraordinary, new, spare, fresh)
2
reserve(adjective, increase, extraordinary, new, spare)
2
subservient(adjective, useful, minor, helpful, secondary)
2
supervenient
2
surplus(adjective, extraordinary, new, spare, fresh)
2
unnecessary(adjective, extraordinary, new, spare, fresh)
2
unneeded(adjective, extraordinary, new, spare, fresh)
1
accessory excess(expression, extraordinary, new, spare, fresh)
1
accidental
1
accumulative
1
adjective
1
adjoining(adjective, accompanying)
1
adorning(adjective, accompanying)
1
affiliated(adjective, relational)
1
affixed(adjective, accompanying)
1
akin(adjective, relational)
1
analogous(adjective, relational)
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APASmart Define. (2015). supplemental thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/supplemental/thesaurus/synonyms
ChicagoSmart Define. 2015. "supplemental thesaurus" https://smartdefine.org/supplemental/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, supplemental thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/supplemental/thesaurus/synonyms>.
MLASmart Define. "supplemental thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/supplemental/thesaurus/synonyms>