[syn: exalted, elevated, sublime, grand, high-flown, high-minded, lofty, rarefied, rarified, idealistic, noble-minded]
The Collaborative International Dictionary of English v.0.48:
High-flown \High"-flown`\, a.
   1. Elevated; proud. "High-flown hopes." --Denham.
      [1913 Webster]
   2. Turgid; extravagant; bombastic; inflated; as, high-flown
      language. --M. Arnold.
      [1913 Webster]
WordNet (r) 3.0 (2006):
high-flown
    adj 1: pretentious (especially with regard to language or
           ideals); "high-flown talk of preserving the moral tone of
           the school"; "a high-sounding dissertation on the means
           to attain social revolution" [syn: high-flown, high-
           sounding, inflated]
    2: of high moral or intellectual value; elevated in nature or
       style; "an exalted ideal"; "argue in terms of high-flown
       ideals"- Oliver Franks; "a noble and lofty concept"; "a grand
       purpose" [syn: exalted, elevated, sublime, grand,
       high-flown, high-minded, lofty, rarefied, rarified,
       idealistic, noble-minded]