Wiktionary (0.00 / 0 votes) Rate this definition: impromptu (Noun). a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.impromptu (Noun). any composition, musical or otherwise, that is created on the spot without preparation.iktionary (0.00 / 0 votes) Rate this definition: impromptu (Noun). a short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.
Share on Facebook Share on Twitter. Camp David has been an alluring retreat for presidents since Franklin Roosevelt, its lush hills and secluded trails miles from the Beltway bubble and the prying eyes of the press.
http://www.MyNewEnterprise.com. David is the most successful entrepreneur in the history of commercial aviation. He is the founder and former CEO of JetBlue Airways and also founder of Azul Airways in Brazil. David co-founded Morris Air with June Morris, which they sold to Southwest Airlines for $130 million in 1993.avid is the most successful entrepreneur in the history of commercial aviation. He is the founder and former CEO of JetBlue Airways and also founder of Azul Airways in Brazil.