139 entries under extra topic. ×

4
gratuitous(adjective, spare, extreme, excessive)
4
inordinate(adjective, spare, extreme, extravagant)
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)
4
unwanted(adjective, waste, spare, extreme, reserve)
3
too much(noun, expression, adjective, idiom, waste)
3
auxiliary(adjective, extraordinary, new, spare, fresh)
3
dispensable(adjective, spare, extreme, unnecessary)
3
extravagance(noun, waste, spare, luxury)
3
extravagant(adjective, spare, extreme, excessive)
3
further(adjective, extraordinary, new, spare, fresh)
3
gain(noun, verb, return, benefit, yield)
3
in excess(expression, adjective, idiom, spare, extreme)
3
more(adjective, extraordinary, new, spare, fresh)
3
perk(noun, adjective, gain, extraordinary, new)
3
pleonastic(adjective, spare, extreme, unnecessary)
3
residuary(adjective, spare, extreme, unnecessary)
3
something extra(noun, expression, material, spare)
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APASmart Define. (2015). surplus thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/surplus/thesaurus/synonyms
ChicagoSmart Define. 2015. "surplus thesaurus" https://smartdefine.org/surplus/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, surplus thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/surplus/thesaurus/synonyms>.
MLASmart Define. "surplus thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/surplus/thesaurus/synonyms>