6
appurtenance(noun, part, addition, extension, accessory)
6
extraordinary(adjective, spare, excess, further, alternative)
6
incidental
6
inessential(noun, adjective, spare, extreme, useless)
6
needless(adjective, spare, unreasonable, extreme, useless)
6
odd(adjective, spare, reserve, replacement, unused)
6
over(adjective, adverb, split, spare, unreasonable)
6
over and above(verb, expression, adjective, idiom, phrasal verb)
6
perquisite(noun, benefit, prize, stock, reward)
6
remaining(adjective, waste, split, spare, extreme)
6
subordinate(noun, adjective, support, spare, inferior)
6
unessential(noun, adjective, surplus, unnecessary, irrelevant)
5
considerably(adverb, particularly, especially)
5
de trop(expression, adjective, spare, extreme, reserve)
5
duplicate(noun, place, lower, copy, inferior)
5
extension(noun, part, increase, addition, accessory)
5
extraordinarily(adverb, little, uncommon, really, hardly)
5
good(positive, desirable)
5
in reserve(expression, adjective, spare, reserve, excess)
5
lagniappe(noun, adjective, gain, spare, reserve)
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APASmart Define. (2016). extra thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/extra/thesaurus/synonyms
ChicagoSmart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, extra thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>.
MLASmart Define. "extra thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms>