120 entries under adjective topic. ×

6
excessive(spare, extreme, extra, unwarranted)
6
overflowing(spare, luxury, extreme, extra)
6
remnant(noun, part, waste, rest)
6
residual(noun, waste, piece, rest)
5
inessential(extraordinary, new, spare, fresh)
5
plenty(noun, waste, rest, spare)
4
bonus(noun, gain, benefit, advantage)
4
free(reserve, extra, replacement, available)
4
gratuitous(spare, extreme, extra, excessive)
4
inordinate(spare, extreme, extravagant, extra)
4
needless(extraordinary, new, spare, fresh)
4
over and above(expression, idiom, extraordinary, unusual)
4
special(extraordinary, new, spare, fresh)
4
supplementary(extraordinary, new, spare, fresh)
4
unwanted(waste, spare, extreme, reserve)
3
too much(noun, expression, idiom, waste)
3
auxiliary(extraordinary, new, spare, fresh)
3
dispensable(spare, extreme, extra, unnecessary)
3
extravagant(spare, extreme, extra, excessive)
3
further(extraordinary, new, spare, fresh)
10 years ago|18k views|share |citing 
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>