Synonyms|108Antonyms|99|Broader|0Narrower|0Related|71
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no charge(expression, adjective)
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not charged(expression, idiom, cheapness)
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not hampered(expression, idiom)
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not literal(expression, idiom)
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paper(adjective, complimentary, gratis)
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salutatory
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scotfree
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shotfree
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slender
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slight
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slim
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spare
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spontaneous(adjective, free, willing, gratis)
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tear
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toll-free(free, gratis)
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unasked-for(adjective, free, willing, gratis)
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unbought
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unrecompensed(adjective, paper, complimentary, gratis, unrewarded)
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unremunerated
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unrewarded
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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>