adjective
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A feeling or display of moral superiority derived from a sense that one's beliefs, actions, or affiliations are of greater virtue than those of others
Self-righteousness (also called sanctimony, sententiousness, and holier-than-thou attitudes) is an attitude and belief of moral superiority derived from a person deeming their own beliefs, actions, or affiliations to be of greater virtue than those of others. Self-righteous individuals are often intolerant of the opinions and behaviors of others that they deem to be less virtuous. Wikipedia
