4
fortuitous(adjective, casual, useless, extra, worthless)
4
futile(adjective, stupid, insignificant, useless, extra)
4
optional(adjective, extraordinary, new, spare, fresh)
4
supernumerary(adjective, extraordinary, new, spare, fresh)
4
unwarranted(adjective, unreasonable, extreme, useless, improper)
4
wanton(adjective, irregular, extra, unwarranted, pointless)
3
adventitious
3
avoidable(adjective, casual, useless, extra, worthless)
3
exorbitant(adjective, extreme, useless, improper, extra)
3
fruitless(adjective, silly, stupid, insignificant, useless)
3
haphazard(adjective, irregular, extra, pointless, wanton)
3
meaningless(adjective, slight, lower, value, stupid)
3
perk(adjective, extraordinary, new, spare, fresh)
3
pointless(adjective, insignificant, unimportant, useless, trivial)
3
random(adjective, irregular, extra, pointless, wanton)
3
simple
3
uncalled for(verb, expression, adjective, phrasal verb, insignificant)
3
undesirable(adjective, extra, surplus, pointless, superfluous)
2
added(adjective, extraordinary, new, spare, fresh)
2
adscititious(adjective, redundancy)
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APASmart Define. (2015). unnecessary thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unnecessary/thesaurus/synonyms
ChicagoSmart Define. 2015. "unnecessary thesaurus" https://smartdefine.org/unnecessary/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unnecessary thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unnecessary/thesaurus/synonyms>.
MLASmart Define. "unnecessary thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/unnecessary/thesaurus/synonyms>