Merriam-Webster’s Word of the Day

sacrilegious   \sak-ruh-LIJ-us\ 

adjective

Meaning

     1 : committing or characterized by a technical and not necessarily intrinsically outrageous violation (as improper reception of a sacrament) of what is sacred because consecrated to God
    *2 : grossly irreverent toward a hallowed person, place, or thing

Example Sentence

     My great-grandfather was a die-hard New Dealer who considered any criticism of Franklin D. Roosevelt to be sacrilegious.