Definition: The term "holier-than-thou" is an adjective used to describe someone who thinks they are better or more moral than others. This attitude often comes across as arrogant or smug, as if they believe they are more virtuous or righteous than everyone else.
In more complex discussions, "holier-than-thou" can be used in contexts involving social or moral debates. For example: "The politician's holier-than-thou rhetoric did not win him any friends among voters who value authenticity."
While "holier-than-thou" primarily refers to moral superiority, it can also describe someone who looks down on others in a more general sense, not just in terms of morality.
In summary, "holier-than-thou" describes a person who believes they are morally superior to others, often in a hypocritical way. It is used to critique attitudes of arrogance and self-righteousness.