107 entries under adjective topic. ×

19
supplementary(increase, extraordinary, new, spare)
17
auxiliary(increase, extraordinary, new, spare)
16
additional(extraordinary, new, spare, fresh)
15
extra(spare, excess, addition, further)
14
subsidiary(noun, useful, minor, helpful)
12
accessory(useful, minor, addition, helpful)
12
secondary(increase, useful, minor, helpful)
11
ancillary(extraordinary, new, spare, fresh)
7
adventitious
6
added(extraordinary, new, spare, fresh)
6
adscititious(addition, additional)
6
further(extraordinary, new, spare, fresh)
5
collateral(useful, minor, helpful, secondary)
5
fresh(extraordinary, new, spare, special)
5
new(extraordinary, spare, fresh, special)
5
subordinate(useful, minor, helpful, secondary)
5
substitute(extra, alternative, auxiliary, supernumerary)
4
additive
4
complementary(part, agree)
4
more(adverb, extraordinary, new, spare)
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APASmart Define. (2015). supplemental thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/supplemental/thesaurus/synonyms
ChicagoSmart Define. 2015. "supplemental thesaurus" https://smartdefine.org/supplemental/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, supplemental thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/supplemental/thesaurus/synonyms>.
MLASmart Define. "supplemental thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/supplemental/thesaurus/synonyms>