Baretti: A dictionary of the English and Italian languages
Dispérg-ere, v. a. (V. spergere,)
1. to disperse, scatter, dissipate, throw here and there; 2. to dissipate, consume, waste, squander; 3. to defeat, put to the rout, beat, overthrow; s. m.Dispérg-itóre , f. Dispérg-itríce; adj. Dispérg-énte.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
dispergere: to disperse, to scatter. Also to despise, to contemne or to set at naught.