خبث

10 استخبث استخبث [ He deemed, or esteemed, خَبِيث, i. e. bad, &c.]. كَانَتِ العَرَبُ تَسْتَخْبِثُ مِثْلَ الحَيَّةِ وَالعَقْرَبِ [ The Arabs used to deem impure, unclean, foul, or filthy, such as the serpent and the scorpion ]. (Msb.) ― -b2- (tropical:) He deemed bad, or corrupt, a word, or a dialectic variant. (A, TA.)