45 entries under surplus topic. ×

13
unnecessary(adjective, slight, lower, value, important)
13
inessential(noun, adjective, important, spare, insignificant)
13
unessential(adjective, adverb, casual, unimportant, useless)
9
extrinsic(adjective, casual, useless, extra, worthless)
7
accidental(adjective, casual, irregular, useless, extra)
7
fortuitous(adjective, casual, irregular, useless, extra)
5
needless(adjective, spare, extreme, casual, useless)
5
unneeded(adjective, spare, extreme, casual, useless)
5
unrequired(adjective, spare, extreme, casual, useless)
4
casual(adjective, slight, lower, value, inferior)
4
irrelevant(adjective, adverb, mean, slight, lower)
4
supererogatory(adjective, spare, extreme, extra)
3
extra(noun, adjective, spare, treat, extreme)
2
additional(adjective, casual, useless, extra, worthless)
2
beside the point(expression, adjective, idiom, adverb, slight)
2
de trop(expression, spare, extreme, extra)
2
pleonastic(spare, extreme, useless, extra, excessive)
2
redundant(spare, extreme, useless, extra)
2
spare(extreme, useless, extra, excessive)
2
unwanted(adjective, spare, extreme, useless, extra)
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APASmart Define. (2015). nonessential thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nonessential/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonessential thesaurus" https://smartdefine.org/nonessential/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, nonessential thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nonessential/thesaurus/synonyms>.
MLASmart Define. "nonessential thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/nonessential/thesaurus/synonyms>