5
inordinate(adjective, spare, extreme, extravagant, excessive)
5
unessential(adjective, extra, unwarranted, surplus, unnecessary)
5
unwanted(adjective, spare, extreme, reserve, useless)
4
additional(adjective, reserve, casual, useless, extra)
4
expletive(noun, redundancy)
4
in excess(expression, adjective, idiom, spare, extreme)
4
inessential(adjective, spare, extreme, extra, unwarranted)
4
non-essential
4
supererogative(adjective, free, wild, necessary, wanton)
4
useless(adjective, spare, extreme, extra, surplus)
3
free(adjective, wild, reserve, extra, replacement)
3
capricious(adjective, free, wild, wanton)
3
extravagant(adjective, spare, extreme, extra, excessive)
3
lavish(adjective, spare, extreme, extra, surplus)
3
profuse(adjective, spare, extreme, extra, surplus)
3
unrequired(adjective, spare, extreme, extra, surplus)
2
abounding(adjective, spare, extreme, extra, surplus)
2
changeable(adjective, free, wild, wanton)
2
duplicate
2
exorbitant(adjective, spare, extreme, extra, excessive)
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APASmart Define. (2015). supererogatory thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/supererogatory/thesaurus/synonyms
ChicagoSmart Define. 2015. "supererogatory thesaurus" https://smartdefine.org/supererogatory/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, supererogatory thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/supererogatory/thesaurus/synonyms>.
MLASmart Define. "supererogatory thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/supererogatory/thesaurus/synonyms>