imprecatory

verb (used with object), im·pre·cat·ed, im·pre·cat·ing.

1. to invoke or call down (evil or curses), as upon a person.

verb

1. (intr) to swear, curse, or blaspheme
2. (tr) to invoke or bring down (evil, a curse, etc)to imprecate disaster on the ship
3. (tr) to put a curse on