Blasphemous is an adjective that describes profane words and actions, especially when they are connected to something religious. If you draw Jesus Christ wearing lipstick or call Buddha a fat slob, you're displaying blasphemous behavior.

Blasphemous comes from a Greek word that means “evil-speaking,” but actions as well as words can be blasphemous. Spitting on a cross, drawing pictures in the Qur’an, tripping a rabbi—all of these are rude in general, but because they combine a sacred religious person or thing with rude behavior, they're also blasphemous. Beyond religion, any attack on something you cherish is blasphemous, like when your best friend says your celebrity crush is ugly. Such blasphemous words!

Definitions of blasphemous

adj grossly irreverent toward what is held to be sacred

blasphemous rites of a witches' Sabbath”
profane, sacrilegious
showing lack of due respect or veneration

adj characterized by profanity or cursing

“foul-mouthed and blasphemous
blue, profane
(of behavior or especially language) characterized by obscenity or indecency

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