Nothing is blasphemous to a true atheist. You are allowed to discuss and even make jokes on traditionally sacrosanct and deeply uncomfortable topics ranging from incest, Necrophilia, coprophagia and the likes. To a true atheist, humans are not perfect. read more
Blasphemy is a religious concept. What is considered blasphemy varies by sect, religious sub-group, and country with a state religion (e.g., Pakistan). Some religious governments have written laws and punishments for the acts and speech they consider blasphemous. read more
Blasphemy is an anglicized form of the Greek term blasphemia, which scholars believe probably derives from two roots—blapto, to injure, and pheme, to speak. The word would thus suggest injurious speech. read more
If an atheist lacks belief in God, but it turns out that God does exist, then what they believe is irrelevant and they are by definition of the term, guilty of blasphemy. However, none of us access to objective truth as regards the existence of a God, so we all have to operate off of our own implicit biases and presuppositions, in the absence of absolute proof or disproof either way. read more