The definition of blasphemous is something profane, irreverent or disrespectful towards God or religion.
Taking the Lord's name in vain is an example of something that would be described as blasphemous.
Committing or tending to commit blasphemy.
Characterized by blasphemy; irreverent or profane.
Origin of blasphemous
Middle English blasfemous from Late Latin blasphēmus from Greek blasphēmos from blasphēmein to blaspheme blaspheme