139 entries under extra topic. ×

58
excess(noun, adjective, waste, rest, material)
37
plethora(noun, waste, rest, material, spare)
30
spare(noun, verb, adjective, waste, extraordinary)
26
superfluous(noun, adjective, extraordinary, new, spare)
26
leftover(noun, adjective, waste, extraordinary, rest)
22
surfeit(noun, waste, rest, material, spare)
22
superfluity(noun, waste, rest, material, spare)
18
remainder(noun, waste, rest, material, spare)
18
redundant(adjective, extraordinary, new, spare, fresh)
16
residue(noun, part, waste, rest, material)
14
overflow(noun, waste, rest, material, spare)
13
surplusage(noun, material, spare, excess)
13
balance(noun, waste, money, rest, material)
13
supernumerary(adjective, extraordinary, new, spare, fresh)
12
remaining(adjective, waste, unusual, strange, spare)
10
overage(noun, gain, material, spare, advantage)
9
supererogatory(adjective, spare, extreme, reserve, casual)
9
abundance(noun, quantity, luxury, flow)
9
overkill(noun, adjective, waste, rest, material)
9
unnecessary(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>