229 entries under adjective topic. ×

13
redundant(spare, unreasonable, extreme, useless)
11
ancillary(noun, support, spare, inferior)
11
special(spare, excess, further, alternative)
10
extraneous(spare, excess, further, surplus)
10
extremely(adverb, big, property, really)
10
free(open, reserve, busy, replacement)
10
new(increase, spare, excess, further)
10
reserve(noun, support, lower, spare)
9
supererogatory(spare, extreme, reserve, useless)
8
also(new, spare, addition, additional)
8
another(place, lower, new, spare)
8
other(place, increase, lower, new)
8
unnecessary(spare, unreasonable, extreme, useless)
7
perk(noun, gain, benefit, informal)
7
adventitious
7
besides(adverb, new, spare, addition)
7
beyond(adverb, spare, excess, further)
7
non-essential
7
subsidiary(noun, support, increase, lower)
7
supportive(spare, auxiliary)
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APASmart Define. (2016). extra thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/extra/thesaurus/synonyms
ChicagoSmart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, extra thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>.
MLASmart Define. "extra thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms>