• WordNet 3.6
    • adj highflying extravagant or ambitious or extreme in aims or opinions "they did not understand what had happend at the once highflying company"
    • adj highflying moving upward or along at a considerable height "some highflying fighter pilot fired a cannon shell into it"
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Webster's Revised Unabridged Dictionary
    • Highflying Extravagant in opinions or ambition. "Highflying , arbitrary kings."
    • Highflying Flying at a high altitude; -- of airplanes.
    • Highflying Having an excessively high cost or perceived value; temporarily very successful; -- of objects with respect to a market and people in their occupations; as, highflying internet stocks; highflying executives moving between companies.
    • ***
Century Dictionary and Cyclopedia
    • highflying Extravagant in conduct, aims, or pretensions; having lofty notions; going or carried to extremes.
    • ***


In literature:

I shall see big Davey, perhaps, but don't you think 'highflying' would suit me better, although I know little about it?
"Six Years in the Prisons of England" by A Merchant - Anonymous
Mr. Highfly, this is Mr.
"Loss and Gain" by John Henry Newman
Such highflying, incoherent nonsense!
"Household Education" by Harriet Martineau

In news:

Sky highFlying airplanes in the Big Horn Mountains Josh Rhoten ampldquoYou havenamprsquot seen a tree until youamprsquove seen its shadow from the skyamprdquo Amelia Earhart.
The Bank of England's attempt to bring Britain's highflying economy in for a soft landing is starting to reach the nail-biting stage.
McDowell stages highflying production of 'Peter Pan'.