47 entries under additional topic. ×

19
supplementary(adjective, increase, extraordinary, new, spare)
17
auxiliary(adjective, increase, extraordinary, new, spare)
15
extra(adjective, spare, excess, addition, further)
11
ancillary(adjective, extraordinary, new, spare, fresh)
6
added(adjective, extraordinary, new, spare, fresh)
6
adscititious(adjective, addition)
6
further(adjective, extraordinary, new, spare, fresh)
5
fresh(adjective, extraordinary, new, spare, special)
5
new(adjective, extraordinary, spare, fresh, special)
4
more(adjective, adverb, extraordinary, new, spare)
4
other(adjective, extraordinary, new, spare, fresh)
4
plus(adjective, extraordinary, new, spare, fresh)
4
spare(adjective, extraordinary, new, fresh, special)
4
superfluous(adjective, extraordinary, new, spare, fresh)
3
another(adjective, extraordinary, new, spare, fresh)
3
extraneous(adjective, extraordinary, new, spare, fresh)
3
perk(adjective, extraordinary, new, spare, fresh)
2
needless(adjective, extraordinary, new, spare, fresh)
2
redundant(adjective, extraordinary, new, spare, fresh)
2
reserve(adjective, increase, extraordinary, new, spare)
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APASmart Define. (2015). supplemental thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/supplemental/thesaurus/synonyms
ChicagoSmart Define. 2015. "supplemental thesaurus" https://smartdefine.org/supplemental/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, supplemental thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/supplemental/thesaurus/synonyms>.
MLASmart Define. "supplemental thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/supplemental/thesaurus/synonyms>