01 a. Extravagant in opinions or ambition.
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1.
Extravagant in opinions or ambition.
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2.
Flying at a high altitude; -- of airplanes.
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3.
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.