blue-sky
☆
adjective
of no value; worthless
See blue-sky in American Heritage Dictionary 4
(blo͞oˈskīˈ)
adjective- Unrealistic and impractical: “[The author] shows what is testable physics, what is philosphy's domain, and what is blue-sky nonsense” (Ann Finkbeiner).
- Having a cloudless sky; clear: a blue-sky day.
intransitive verb blue-skied,
blue-sky·ing,
blue-skies To hold or express unrealistic or impractical views, especially in estimating something. Often used with it.
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