229 entries under adjective topic. ×

30
additional(place, increase, lower, new)
23
spare(noun, verb, adverb, support)
22
superfluous(noun, spare, unreasonable, luxury)
21
surplus(noun, gain, waste, rest)
20
supplementary(support, new, spare, excess)
20
further(adverb, increase, new, spare)
19
accessory(noun, support, part, lower)
19
auxiliary(noun, support, part, lower)
18
supernumerary(noun, spare, extreme, reserve)
18
excess(noun, waste, rest, spare)
17
more(adverb, increase, new, spare)
16
supplemental(spare, excess, addition, further)
16
unused(clear, waste, spare, reserve)
15
fresh(increase, new, spare, excess)
15
plus(noun, adverb, spare, advantage)
15
secondary(noun, support, place, lower)
14
added(noun, increase, new, spare)
13
bonus(noun, gain, benefit, advantage)
13
leftover(waste, split, spare, extreme)
13
luxury(noun, comfort, treat, extravagance)
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APASmart Define. (2016). extra thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/extra/thesaurus/synonyms
ChicagoSmart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, extra thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>.
MLASmart Define. "extra thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms>