43 entries under additional topic. ×

10
extra(adjective, spare, excess, further, surplus)
10
unnecessary(adjective, extraordinary, new, spare, insignificant)
8
superfluous(adjective, extraordinary, new, spare, fresh)
7
inessential(adjective, extraordinary, new, spare, insignificant)
7
needless(adjective, extraordinary, new, spare, fresh)
6
unneeded(adjective, extraordinary, new, spare, fresh)
5
supplementary(adjective, extraordinary, new, spare, fresh)
4
added(adjective, extraordinary, new, spare, fresh)
4
other(adjective, extraordinary, new, spare, fresh)
4
redundant(adjective, extraordinary, new, spare, fresh)
4
supernumerary(adjective, extraordinary, new, spare, fresh)
3
perk(adjective, extraordinary, new, spare, fresh)
3
supplemental(adjective, extraordinary, new, spare, fresh)
1
accessory excess(expression, extraordinary, new, spare, fresh)
1
ancillary(adjective, extraordinary, new, spare, fresh)
1
another(adjective, extraordinary, new, spare, fresh)
1
auxiliary(adjective, extraordinary, new, spare, fresh)
1
beyond(adjective, extraordinary, new, spare, fresh)
1
button(adjective, extraordinary, new, spare, fresh)
1
extraordinary(adjective, unusual, strange, new, spare)
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APASmart Define. (2015). extraneous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/extraneous/thesaurus/synonyms
ChicagoSmart Define. 2015. "extraneous thesaurus" https://smartdefine.org/extraneous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, extraneous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/extraneous/thesaurus/synonyms>.
MLASmart Define. "extraneous thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/extraneous/thesaurus/synonyms>