asperē adv.with comp.and sup.
asper, harshly, severely, sternly : in homines invehi: asperius scribere: ius dicere, L.: asperrime loqui, harshly. —Coarsely : vestitus.
aspĕrē, adv., v. asper fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.