·adj Very sharp; very violent; as, a peracute fever.
pĕrăcūtē, adv., v. peracutus fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
peracūtē adv. peracutus, very sharply, with great keenness : moveri: queri. ...
An Elementary Latin Dictionary