"Too Marvelous for Words" is a popular song written in 1937. Johnny Mercer wrote the lyrics for music composed by Richard Whiting. It was featured in the 1937 Warner Brothers film Ready, Willing and Able, as well as a production number in a musical revue on Broadway. It then became the love theme in the 1947 film noir Dark Passage directed by Delmer Daves, first in a version sung by Jo Stafford, then just instrumental as the love that finally reunites Lauren Bacall and Humphrey Bogart is Too Marvelous for Words indeed.

Alec Wilder praised the song as a "model of pop song writing, musically and lyrically". He cites its surprising shifts in rhythm and key.

The lyrics are sophisticated and perfectly synchronized with the tune. Mercer successfully borrowed some lyric techniques from Ira Gershwin, and like Gershwin, he writes more about language than about love. Margaret Whiting said of the lyrics, that the song was an enormously original approach to saying "I love you, honey".
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http://en.wikipedia.org/wiki/Too_Marvelous_for_Words