strin·gen·do (str?n-j?n?d?)adj. Music Played with an accelerating tempo. Used chiefly as a direction.[Italian, gerund of stringere, to draw tight, from Latin; see streig- in Indo-European roots.]strin·gen?do adv.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.stringendo (str?n?d??nd??) adj, adv (Classical Music) music to be performed with increasing speed[Italian, from stringere to compress, from Latin: to draw tight; see stringent]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014