pessimo

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

pessĭmo, āre, v. a. [pessimus],

to make utterly bad , to spoil completely , to ruin (eccl. Lat.): plebem, Vulg. Ecclus. 36, 11: te ipsum pessimabis, id. ib. 38, 22.— Pass. : pessimabor, Vulg. Ecclus. 11, 26.