sacrilegious

adjective

1. pertaining to or involving sacrilege: sacrilegious practices.
2. guilty of sacrilege: a sacrilegious person.

adjective

1. of, relating to, or involving sacrilege; impious
2. guilty of sacrilege

adj.mid-15c., from Latin sacrilegiosum, from sacrilegium (see sacrilege). As a noun, “one who commits a sacrilege,” early 14c. Related: Sacrilegiously; sacrilegiousness.