37 entries under characteristic topic. ×

26
free(adjective, feature, charge, allow)
20
complimentary(adjective, feature, state, free)
17
voluntary(adjective, feature, free, deliberate)
15
unpaid(adjective, feature, state, free)
12
spontaneous(adjective, feature, free, deliberate)
9
unasked(adjective, feature, free, deliberate)
8
honorary(adjective, feature, state, free)
7
honourable(adjective, feature, state)
7
nominal(adjective, feature, state, honorary)
6
autonomous(adjective, feature, free, deliberate)
6
independent(adjective, feature, free, deliberate)
6
unforced(adjective, feature, free, deliberate)
6
unsalaried(adjective, feature, voluntary, unpaid)
5
commemorative(adjective, feature, honorary)
5
favoured(adjective, feature, state)
5
honorable(adjective, feature, state)
5
honourary(adjective, feature, state)
5
titular(adjective, feature, honorary)
4
discretional(adjective, feature, free, deliberate)
4
genuine(adjective, feature, natural, spontaneous)
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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>