One-Word Substitute for Renouncing Beliefs

The question asks for a single word that means "A person who renounces a religious or political belief or principle." Let's analyze the options to find the best fit.

Understanding the Key Phrase

The core of the definition is someone who abandons or gives up a deeply held belief or principle, whether it's related to religion or politics.

Analyzing the Options

Agnostic Definition

An Agnostic is someone who believes that it's impossible to know for sure whether God exists or not. They don't claim to know if God exists or not.

Comparison: This relates to belief about God's existence but doesn't specifically mean renouncing a previously held belief or principle.

Ascetic Definition

An Ascetic is a person who practices severe self-discipline and avoids physical pleasures, often for spiritual reasons. Think of monks or hermits focused on self-denial.

Comparison: This term focuses on self-control and simple living, not necessarily abandoning or renouncing a belief system.

Apostate Definition

An Apostate is defined as a person who formally gives up or renounces something, especially a religious or political belief or principle. This directly matches the definition provided in the question.

Comparison: This word perfectly captures the act of abandoning or deserting a former belief or principle.

Atheist Definition

An Atheist is someone who does not believe in the existence of God or gods. They lack belief in deities.

Comparison: While related to religious belief, this focuses on the *lack* of belief from the start, rather than the *renunciation* of a belief previously held.

Conclusion

Based on the definitions, the most accurate one-word substitute for "A person who renounces a religious or political belief or principle" is Apostate.