The phrase "burnt at stake" is a gruesome reference to burning someone alive as punishment for a crime, usually one deemed heretical or treasonous. However, there are several synonyms that can be used to describe this method of execution, including immolation, incineration, and pyrolysis. Other terms to describe being burned alive include being "set on fire," "consumed by flames," "torched," or "charred to death." While these terms are less graphic than "burnt at stake," they still evoke a disturbing image of a person being burned alive. It is important to remember that although the use of these terms is less graphic, they still represent a heinous act of violence.