Definition: Apostate: Referring to a person who renounces or rejects some aspects of one's religion, belief system, or faith in general. Definition: 1. The term "Apostate" has a wide range of meanings depending on context. 2. In Judaism and Christianity, an apostate is someone who has not accepted the beliefs of their religious community. 3. In Islam, an apostate refers to someone who renounces or rejects certain aspects of their faith in order to align with Islamic teachings or practices. 4. In other religions, the term "Apostate" can refer to a person who has abandoned or lost their allegiance to another group or leader. In a broader sense, the act of an apostate is often associated with rejection or distancing oneself from one's former faiths in order to align with new beliefs or practices. For example, someone may have converted to Christianity and then later become part of an organized religion called Seventh Day Adventists.