lacerate

verb

1 jagged edges that lacerated their arms:

cut (open), gash, slash, tear, rip, rend, mangle, mutilate, maim, maul, shred, score, scratch, scrape, graze, incise;

knife, gouge, split, cleave, hack, stab, tear apart, butcher, savage, wound, injure, hurt, damage.

2 the author's feelings have been lacerated by criticism:

hurt, wound, distress, pain, harrow, torture, torment, crucify, tear to pieces/shreds.

lacerate Oxford Dictionary of English