Synonyms|108Antonyms|99|Broader|0Narrower|0Related|71
1
unpaid for(expression, adjective)
1
without recompense(expression, adjective)
0
abundant
0
additional
0
adulation
0
approbatory
0
at no charge(expression, idiom, free, gratis)
0
at no cost(expression, adjective, idiom, complimentary, gratis)
0
autarkic
0
barren
0
benevolent
0
big
0
blarney
0
bountiful
0
broad
0
charged
0
cleavage
0
compliments of the house(expression, adjective, idiom)
0
congratulatory
0
cost-free(free, gratis)
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APASmart Define. (2015). costless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/costless/thesaurus/synonyms
ChicagoSmart Define. 2015. "costless thesaurus" https://smartdefine.org/costless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, costless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/costless/thesaurus/synonyms>.
MLASmart Define. "costless thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/costless/thesaurus/synonyms>