To abandon one's religious faith, a political party, one's principles, or a cause.(verb-intransitive)
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 "apostatize" in a sentence
"To apostatize from Christ is to apostatize from the living God (Heb 2: 3)."
"What does it mean to 'apostatize' in the first place? ""
"Their actions can give us some gauge: depending on whether they accept martyrdom or apostatize; build a monastery or molest little girls; become suicide bombers or found the Missionaries of Charity."