Blue-sky
Blue-sky adjective - Without immediate commercial value.
Out to lunch and blue-sky are semantically related. In some cases you can use "Out to lunch" instead an adjective phrase "Blue-sky".
Out to lunch
Blue-sky and out to lunch are semantically related. Sometimes you can use "Blue-sky" instead an adjective phrase "Out to lunch".
Cite this Source
Out to lunch and Blue-sky. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/blue-sky/out_to_lunch
Blue-sky & Out to lunch. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/blue-sky/out_to_lunch>.
Out to lunch or Blue-sky. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/blue-sky/out_to_lunch.
