sfor·zan·do (sfôrt-sän'dō) adv.
& adj. Abbr. sfz or sf Suddenly or strongly accented. Used chiefly as a direction. n.
pl.sfor·zan·dos also for·zan·dos or sfor·zan·di also for·zan·di (-dē) A sforzando tone or chord.
[Italian, gerund of sforzare, to use force : s-, intensive pref. (from Latin ex-; see ex-) + forzare, to force (from Vulgar Latin *fortiāre, from Latin fortis, strong; see fortis).] sfor·zan'do adv.