Costless and High

Costless

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

High is an antonym for costless.

Nearby Words: cost, costly

High

High adjective - Extending to a great distance upward.

Costless is an antonym for high.

Nearby Word: highly
Cite this Source
High and Costless. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/costless/high
Costless & High. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/costless/high>.
High or Costless. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/costless/high.
Google Ngram Viewer shows how "costless" and "high" have occurred on timeline