4
pleonastic(adjective, spare, extreme, useless, extra)
4
reasonless(adjective, unwarranted, untrue, flimsy, necessary)
4
surplus(adjective, spare, extreme, extra, excessive)
4
unasked for
4
uninvited(adjective, willing, unwarranted, arrogant, voluntary)
4
unreasonable(adjective, excessive, unwarranted, wanton, immoderate)
4
unsought(adjective, willing, arrogant, voluntary, unwelcome)
4
unwelcome(adjective, willing, unwarranted, arrogant, voluntary)
4
volunteer(adjective, feature, characteristic, free, deliberate)
3
arbitrary
3
assumed(adjective, unwarranted, necessary, wanton, supposition)
3
bottomless(adjective, unwarranted, untrue, flimsy, necessary)
3
casual
3
causeless(adjective, false, useless, extra, unwarranted)
3
chosen(adjective, feature, characteristic, free, deliberate)
3
deliberate(adjective, feature, characteristic, free, natural)
3
designful(adjective, feature, characteristic, free, deliberate)
3
elected(adjective, feature, characteristic, free, deliberate)
3
elective
3
eleemosynary(adjective, generous)
11 years ago|10k views|share |citing 
APASmart Define. (2015). gratuitous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/gratuitous/thesaurus/synonyms
ChicagoSmart Define. 2015. "gratuitous thesaurus" https://smartdefine.org/gratuitous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, gratuitous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/gratuitous/thesaurus/synonyms>.
MLASmart Define. "gratuitous thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/gratuitous/thesaurus/synonyms>