4
exorbitant(adjective, spare, unreasonable, extreme, extravagant)
4
expletive(noun, adjective, redundancy)
4
extravagant(adjective, spare, unreasonable, extreme, useless)
4
free(adjective, reserve, extra, replacement, available)
4
immoderate(adjective, unreasonable, extreme, extravagant, extra)
4
incidental
4
lazy
4
nonessential(adjective, important, spare, extreme, unimportant)
4
supplemental(adjective, extraordinary, new, spare, fresh)
4
tautological
4
verbose(adjective, wordy)
3
adventitious
3
auxiliary(adjective, extraordinary, new, spare, fresh)
3
copious(adjective, extreme, generous, lavish, abundant)
3
diminished
3
disposable(adjective, unimportant)
3
futile(adjective, inutility)
3
haggard
3
impotent
3
indolent
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APASmart Define. (2016). superfluous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/superfluous/thesaurus/synonyms
ChicagoSmart Define. 2016. "superfluous thesaurus" https://smartdefine.org/superfluous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, superfluous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/superfluous/thesaurus/synonyms>.
MLASmart Define. "superfluous thesaurus" 9 February 2016. Web. 23 September 2026. <https://smartdefine.org/superfluous/thesaurus/synonyms>