'Highflying' definitions:

Definition of 'highflying'

From: WordNet
adjective
Moving upward or along at a considerable height; "some highflying fighter pilot fired a cannon shell into it"
adjective
Extravagant or ambitious or extreme in aims or opinions; "they did not understand what had happend at the once highflying company"

Definition of 'Highflying'

From: GCIDE
  • Highflying \High"fly`ing\, 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]