320 entries under adjective topic. ×

5
honorable(feature, state, characteristic)
5
honourary(feature, state, characteristic)
5
indefensible(unwarranted, unnecessary, necessary, wanton)
5
non-essential
5
on the house(expression, idiom, free, money)
5
titular(feature, characteristic, honorary)
5
unbidden(free, deliberate, natural, willing)
5
unmerited(senseless, unwarranted, necessary, wanton)
5
unprovoked(unwarranted, necessary, wanton, unjustified)
5
unrequested(willing, arrogant, voluntary, unwelcome)
5
willing(free, charitable, arrogant, independent)
4
de trop(expression, spare, extreme, extra)
4
discretional(feature, characteristic, free, deliberate)
4
expendable(spare, extreme, useless, extra)
4
genuine(feature, characteristic, natural, spontaneous)
4
inessential(spare, extreme, useless, extra)
4
inordinate(spare, extreme, useless, extravagant)
4
pleonastic(spare, extreme, useless, extra)
4
reasonless(unwarranted, untrue, flimsy, necessary)
4
surplus(spare, extreme, extra, excessive)
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APASmart Define. (2015). gratuitous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/gratuitous/thesaurus/synonyms
ChicagoSmart Define. 2015. "gratuitous thesaurus" https://smartdefine.org/gratuitous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, gratuitous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/gratuitous/thesaurus/synonyms>.
MLASmart Define. "gratuitous thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/gratuitous/thesaurus/synonyms>