The adjective profane means a behavior showing no respect for a deity or a religion.
Synonyms are obscene, immoral, crude, or blasphemous.
The word origins from Old French (13th century) profaner, prophaner and directly from Latin profanare meaning “to desecrate, render unholy, violate”, from profanus meaning “unholy, not consecrated”.
The use of profane language is prohibited in her class.
They have profaned their tribes’ rituals.
That is an example of a profane art.