1. 
[syn: high-flown, high-sounding, inflated]
The Collaborative International Dictionary of English v.0.48:
High-sounding \High"-sound`ing\, a.
   Pompous; noisy; ostentatious; as, high-sounding words or
   titles.
   [1913 Webster]
WordNet (r) 3.0 (2006):
high-sounding
    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]