1) An invocation of evil a curse 2) Condemnation 3) Curse 4) Cursing 5) Execration 6) Malediction 7) The act of imprecating 8) Verbal whammy 1) Curse 2) Malediction 
• (n.) The act of imprecating, or invoking evil upon any one; a prayer that a curse or calamity may fall on any one; a curse.
Im`pre·ca'tion noun [ Latin imprecatio : confer French imprécation .] The act of imprecating, or invoking evil upon any one; a prayer that a curse or calamity may fall on any one; a curse. « Men cowered like slaves before such horrid imprecations .» Motley. 
an invocation of evil a curse 
[n] - a slanderous accusation 2. [n] - the act of calling down a curse that invokes evil (and usually serves as an insult)
malediction noun the act of calling down a curse that invokes evil (and usually serves as an insult); `he suffered the imprecations of the mob`
the act of imprecating; cursing. · a curse; malediction.
the act of calling down a curse that invokes evil