Hypocrisy is the act of pretending to have moral or ethical beliefs, principles, or virtues that one does not actually possess. It involves saying or advocating one thing while doing the opposite.

Interesting fact: The word “hypocrisy” originated from the Greek word “hypokrisis,” which means “acting” or “play-acting.” This reflects the idea that hypocrisy involves putting on a false performance or mask to deceive others.