blas;pheme pronunciation: function: verb inflected form(s): blas;phemed; blas;phem;ingetymology: middle english blasfemen, from late latin blasphemare — more at blamedate: 14th centurytransitive verb 1 : to speak of or address with irreverence2 : revile, abuseintransitive verb : to utter blasphemy— blas;phem;er noun