blasphemer

transitive verb blasphemed, blaspheming

1. to speak irreverently or profanely of or to (God or sacred things)
2. to curse or revile

Origin: ME blasfemen < OFr blasfemer < LL(Ec) blasphemare < Gr blasphēmein, to speak evil of, in LGr(Ec), blaspheme < blas- (< ?) + phēmē, utterance: see fame

intransitive verb