im·pre·cate 
(ĭmprĭ-kāt′)
(ĭmprĭ-kāt′)tr.v. im·pre·cat·ed, im·pre·cat·ing, im·pre·cates
To invoke evil upon; curse.
[Latin imprecāri, imprecāt- : in-, towards; see IN-2 + precārī, to pray, ask; see prek- in the Appendix of Indo-European roots.]
impre·ca′tor n.
impre·ca·to′ry (-kə-tôr′ē) adj.