Costless and Open

Costless

Costless adjective - Not costing or charging anything.

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

Nearby Words: cost, costly

Open

Open adjective - Allowing passage without obstruction.

Costless and open are semantically related. Sometimes you can use "Costless" instead an adjective "Open".

Nearby Words: opening, openness, opened, opener
Cite this Source
Open and Costless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/costless/open
Costless & Open. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/costless/open>.
Open or Costless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/costless/open.
Google Ngram Viewer shows how "costless" and "open" have occurred on timeline