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definitions

blue-sky

[ bloo-skahy ]
/ ˈbluˈskaɪ /
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SEE MORE SYNONYMS FOR blue-sky ON THESAURUS.COM

adjective

fanciful; impractical: blue-sky ideas.
(especially of securities) having dubious value; not financially sound: a blue-sky stock.

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RELATED WORDS

fantastic, illusory, fanciful, dreamlike, ingenious, whimsical, vivid, visionary, offbeat, artistic, extravagant, original, romantic, apparent, chimeric, chimerical, deceitful, delusive, delusory, fake

Nearby words

  1. blue-ribbon,
  2. blue-ribbon jury,
  3. blue-ringed octopus,
  4. blue-rinse,
  5. blue-singlet,
  6. blue-sky law,
  7. blue-sky thinking,
  8. blue-tongued lizard,
  9. blue-water,
  10. blue-winged teal

Origin of blue-sky

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blue-sky

British Dictionary definitions for blue-sky

blue-sky

blue-skies

noun

(modifier) of or denoting theoretical research without regard to any future application of its resulta blue-sky project

verb -skies, -skying or -skied

to theorize (about something that may not lead to any practical application)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012