Costless and Optional

Related words

Costless adjective - Not costing or charging anything.

Usage example: maintaining a checking account with the bank is not the costless service that its advertising would have you believe

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Optional and costless are semantically related. In some cases you can use "Optional" instead an adjective "Costless".

Nearby Words: cost, costly

Optional adjective - Subject to one's freedom of choice.

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Costless and optional are semantically related. Sometimes you can use "Costless" instead an adjective "Optional".

Nearby Words: option, optionally

Cite this Source

Optional and Costless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/costless/optional

Costless & Optional. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/costless/optional>.

Optional or Costless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/costless/optional.

Google Ngram Viewer shows how "costless" and "optional" have occurred on timeline