50 entries under added topic. ×

35
extra(noun, adjective, gain, waste, rest)
30
spare(noun, verb, adjective, waste, extraordinary)
26
superfluous(noun, adjective, extraordinary, new, spare)
26
leftover(noun, adjective, waste, extraordinary, rest)
18
redundant(adjective, extraordinary, new, spare, fresh)
13
supernumerary(adjective, extraordinary, new, spare, fresh)
9
unnecessary(adjective, extraordinary, new, spare, fresh)
8
unneeded(adjective, extraordinary, new, spare, fresh)
8
unused(adjective, waste, extraordinary, new, spare)
7
plus(noun, adjective, extraordinary, material, new)
6
additional(adjective, extraordinary, unusual, strange, new)
5
inessential(adjective, extraordinary, new, spare, fresh)
4
bonus(noun, adjective, gain, benefit, advantage)
4
needless(adjective, extraordinary, new, spare, fresh)
4
over and above(expression, adjective, idiom, extraordinary, unusual)
4
special(adjective, extraordinary, new, spare, fresh)
4
supplementary(adjective, extraordinary, new, spare, fresh)
3
auxiliary(adjective, extraordinary, new, spare, fresh)
3
further(adjective, extraordinary, new, spare, fresh)
3
more(adjective, extraordinary, new, spare, fresh)
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APASmart Define. (2015). surplus thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/surplus/thesaurus/synonyms
ChicagoSmart Define. 2015. "surplus thesaurus" https://smartdefine.org/surplus/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, surplus thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/surplus/thesaurus/synonyms>.
MLASmart Define. "surplus thesaurus" 23 December 2015. Web. 22 September 2026. <https://smartdefine.org/surplus/thesaurus/synonyms>