Collins COBUILD Advanced Learner's English Dictionary - blaspheme

(blasphemes, blaspheming, blasphemed) If someone blasphemes, they say rude or disrespectful things about God or religion, or they use God’s name as a swear word. ‘Don’t blaspheme,’ my mother said... The spiritual leader charged that the book blasphemed against Islam. VERB: V, V against n • blasphemer (blasphemers) Such a figure is liable to be attacked as a blasphemer. N-COUNT