5 entries under spontaneous topic. ×

2
free(adjective, charge, courtesy, gratuitous)
1
complimentary(adjective, free, paper, gratuitous)
1
costless(adjective, free, courtesy, paper)
1
gratis(adjective, free, courtesy, paper)
1
unpaid(adjective, free, paper, complimentary)
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APASmart Define. (2013). chargeless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/chargeless/thesaurus/synonyms
ChicagoSmart Define. 2013. "chargeless thesaurus" https://smartdefine.org/chargeless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, chargeless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/chargeless/thesaurus/synonyms>.
MLASmart Define. "chargeless thesaurus" 18 May 2013. Web. 29 September 2026. <https://smartdefine.org/chargeless/thesaurus/synonyms>