Sacrilegious/ˌsækrəˈlɪdʒəs/ Definition 1 of 1Pro Tip 1/3Religious Gravity Used when actions are taken as a serious insult to religious beliefs or holy places. Burning a holy book is considered sacrilegious. Pro Tip 2/3Cultural Sensitivity It can offend people deeply, so be very cautious when referencing someone's religion. Creating cartoons of prophets is seen as sacrilegious by many. Pro Tip 3/3Strong Disapproval Expresses strong disapproval, often evoking anger or shock from others. She desecrated the altar, which was a sacrilegious offense.