رَأْبَلَةٌ

Wickedness, craftiness, or cunning, (M, * K, TA,) and boldness, and insidiousness for the purpose of doing evil, or mischief. (TA.) So in the saying, فَعَلَ ذٰلِكَ مِنْ رَأْبَلَتِهِ He did that by reason of his wickedness, &c. (M, K, TA.) It is the verbal noun of Q. 1 [q. v.]. (T, TK.)