فعو ر فعى

5 تفعّى ذ He (a man, S) became like the viper (الأَفْعَى, S, K) in evil: (S, TA:) or, as in the A, he made himself to resemble the viper (تَشَّبَهَ بِالأَفْعَى) in the evilness of his disposition. (TA.)