the GNU version of the Collaborative International Dictionary of English
adj. Of the nature of, or containing, imprecation; invoking evil.
The Century Dictionary and Cyclopedia
Of the nature of or containing an imprecation; invoking evil or a curse; maledictory: as, the imprecatory passages in the Psalms.
Word Usage
"Nor are these isolated instances: depending on how you count them, the biblical book includes about 20 "imprecatory," or cursing, psalms among its 150."