From Longman Dictionary of Contemporary Englishmaledictionmal‧e‧dic‧tion /ˌmæləˈdɪkʃən/ noun [countable] old-fashioned formalROMMAGIC a wish that something bad will happen to someone SYN curse
Examples from the Corpus
malediction• It is a kind of malediction.• As if that quest were not macabre enough in itself, I went as if under some sort of malediction.Origin malediction (1300-1400) Late Latin maledictio, from Latin maledicere “to speak evil”