Origin of blue-sky
Examples from the Web for blue-sky
The beauty of the blue-sky day ignored what had occurred 24 hours before.
Snubbed for the first time in all her blue-sky life–and by a boy, too!Pemrose Lorry, Camp Fire Girl|Isabel Katherine Hornibrook
Turn a perfectly sound, entrenched business into a blue-sky factory?The Big Tomorrow|Paul Lohrman
There are some business men who look upon psychology as "blue-sky" theorizing or "new thought."Initiative Psychic Energy|Warren Hilton