50 entries under noun topic. ×

33
surplus(adjective, extraordinary, new, spare)
32
extra(adjective, spare, unreasonable, luxury)
22
excess(adjective, spare, extreme, extra)
8
overflowing(adjective, spare, luxury, extreme)
4
expletive(adjective, redundancy)
3
redundancy
3
waste(adjective, rejected, discarded, cast-off)
2
overkill(unreasonable, extreme, extravagant, excessive)
2
pleonasm
2
superabundance
2
superfluity(luxury, extra, overabundance)
1
avalanche
1
copiousness
1
deluge
1
desolate
1
excessiveness
1
exorbitance
1
extravagance
1
glut
1
gratuitousness
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APASmart Define. (2016). superfluous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/superfluous/thesaurus/synonyms
ChicagoSmart Define. 2016. "superfluous thesaurus" https://smartdefine.org/superfluous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, superfluous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/superfluous/thesaurus/synonyms>.
MLASmart Define. "superfluous thesaurus" 9 February 2016. Web. 26 September 2026. <https://smartdefine.org/superfluous/thesaurus/synonyms>