[non trop-oh, troh-poh, nohn troh-poh; Italian nawn trawp-paw]
not too much: allegro non troppo.
Origin of non troppo
Borrowed into English from Italian around 1850–55
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music (preceded by a musical direction, esp a tempo marking) not to be observed too strictly (esp in the phrases allegro ma non troppo, adagio ma non troppo)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012