What is the meaning of blue sky?

noun

8
 
|15 years ago|892 views|share |citing 
APAWordNet. (2010). blue sky. Retrieved September 21, 2026, from http://smartdefine.org/blue_sky/definitions/1226647
ChicagoWordNet. 2010. "blue sky" http://smartdefine.org/blue_sky/definitions/1226647 (accessed September 21, 2026).
HarvardWordNet 2010, blue sky, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/blue_sky/definitions/1226647>.
MLAWordNet. "blue sky" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/blue_sky/definitions/1226647>