سابّهُ
, verbal noun سِبَابٌ (S, * M, A, Msb, K *) and مُسَابَّةٌ, (M, Msb, KL, TA,) He reviled him, vilified him, upbraided him, reproached him, defamed him, or gave a bad name to him, (M, A, KL, TA,) being reviled, &c., by him. (M, A, TA.) You say, بَيْنَهُمَا سِبَابٌ
Between them two is mutual reviling, &c. (A.) And المِزَاحُ سِبَابُ
النَّوْكَى [Jesting is the mutual reviling, &c., of those that are foolish, or stupid]. (A, TA.) And it is said in a tradition, سبَابُ المُسْلِمِ فُسُوقٌ (TA) The mutual reviling of the Muslim is a departure from obedience to God. (El-Munáwee in his Expos. of the Jámi' es-Sagheer of Es-Suyootee.)