COSTLESS Synonyms: 22 Similar and Opposite Words

costless

adjective

Definition of costless

as in free

not costing or charging anything maintaining a checking account with the bank is not the costless service that its advertising would have you believe

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Recent Examples of Synonyms for costless

free

Adjective

This extension will expire when Bedard is just 26 years old and buys out only one year of unrestricted free agency.

— Mark Lazerus, New York Times, 19 July 2026
The Detroit Health Department is offering free masks to residents and encouraging everyone to stay inside.

— Dalia Faheid, CNN Money, 18 July 2026

Definition of free

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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costive

costless

costly

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“Costless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/costless. Accessed 21 Jul. 2026.

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Synonyms of costless

adjective

Example Sentences

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