To violate the sacredness of; profane.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "desecrate" in a sentence
"A standard definition for desecrate is to profane, to abuse, to violate the sacredness of."
"The dictionary won't help me on this; they all define the word desecrate as strictly a religious term that you might apply to the destruction of objects found in a church or synagogue, certainly not to a secular object like an American flag."
"To "desecrate" something it has to be sacred in the first place."