16 entries under paper topic. ×

12
gratis(adjective, free, courtesy, spontaneous)
11
complimentary(adjective, free, spontaneous, gratuitous)
11
gratuitous(adjective, free, courtesy, complimentary)
4
unpaid(adjective, free, spontaneous, complimentary)
3
for nothing(expression, adjective, idiom, free)
3
on the house(expression, adjective, idiom, free, courtesy)
2
for love(expression, adjective, free, gratuitous)
2
freebie(adjective, free, gratuitous, comp)
2
without charge(expression, adjective, idiom, free)
1
chargeless(adjective, free, courtesy, spontaneous)
1
comp(adjective, free, courtesy, complimentary)
1
free of cost(expression, adjective, idiom, free)
1
free ride(expression, adjective, free, gratuitous)
1
on the cuff(expression, adjective, idiom, free)
0
handout(adjective, free, complimentary, gratis)
0
unrecompensed(adjective, complimentary, gratis, unrewarded)
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APASmart Define. (2015). costless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/costless/thesaurus/synonyms
ChicagoSmart Define. 2015. "costless thesaurus" https://smartdefine.org/costless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, costless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/costless/thesaurus/synonyms>.
MLASmart Define. "costless thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/costless/thesaurus/synonyms>