غَايءِلَةٌ

Rancour, malevolence, malice, or spite, that is covert, or concealed. (K.) And Evil, or mischief; as also ↓ مَغَالَةٌ: (S, K:) thus in the saying فُلَانٌ قَلِيلُ الغَايءِلَةِ and ↓ المَغَالَةِ [Such a one is a person of little evil or mischief]. (S.)

See also the same word in article غول.