a. 1. Extravagant in opinions or ambition. “Highflying, arbitrary kings.” Dryden. [ 1913 Webster ] 2. Flying at a high altitude; -- of airplanes. [ PJC ] 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. [ PJC ] | 
