The difference between Pious and Profane

When used as adjectives, pious means of or pertaining to piety, exhibiting piety, devout, godfearing, whereas profane means unclean.

Profane is also noun with the meaning: a person or thing that is profane.

Profane is also verb with the meaning: to violate (something sacred).

check bellow for the other definitions of Pious and Profane

Pious as an adjective:

Of or pertaining to piety, exhibiting piety, devout, godfearing.

Profane as an adjective:

Unclean; ritually impure; unholy, desecrating a holy place or thing.
Profane as an adjective:

Not sacred or holy, unconsecrated; relating to non-religious matters, secular.

Examples:

"'profane authors"
Profane as an adjective:

Treating sacred things with contempt, disrespect, irreverence, or scorn; blasphemous, impious.
Profane as an adjective:

Irreverent in language; taking the name of God in vain

Examples:

"a profane person, word, oath, or tongue"

Profane as a verb (transitive):

To violate (something sacred); to treat with abuse, irreverence, obloquy, or contempt; to desecrate

Examples:

"One should not profane the name of God."

"to profane the Scriptures"
Profane as a verb (transitive):

To put to a wrong or unworthy use; to debase; to abuse; to defile.