119 entries under adjective topic. ×

1
redundant(extraordinary, new, spare, fresh)
1
reserve(extraordinary, new, spare, fresh)
1
secondary
1
selective
1
special(extraordinary, new, spare, fresh)
1
superfluous(extraordinary, new, spare, fresh)
1
supernumerary(extraordinary, new, spare, fresh)
1
supplemental(extraordinary, new, spare, fresh)
1
supplementary(extraordinary, new, spare, fresh)
1
surplus(extraordinary, new, spare, fresh)
1
tip(extraordinary, new, spare, fresh)
1
unconstrained(free, deliberate, natural, willing)
1
uncritical(casual, useless, extra, worthless)
1
unpaid(free, deliberate, natural, willing)
1
unprescribed(free, deliberate, natural, willing)
1
unused(extraordinary, new, spare, fresh)
1
up to the individual(expression, idiom, possible, voluntary)
1
useless(casual, extra, worthless, unwarranted)
1
wished(free, deliberate, natural, willing)
1
witting(free, deliberate, natural, willing)
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APASmart Define. (2015). optional thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/optional/thesaurus/synonyms
ChicagoSmart Define. 2015. "optional thesaurus" https://smartdefine.org/optional/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, optional thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/optional/thesaurus/synonyms>.
MLASmart Define. "optional thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/optional/thesaurus/synonyms>