† peˈstifugous,a.Obs.rare. [f. L. pesti-s plague + -fug-, stem of fugĕre to flee, fugāre to put to flight + -ous.] Having the property of driving away or dispelling the plague. 1684tr.Bonet's Merc. Compit. vi. 215 The business may be done by Pestifugous Alexitericks.