self–righ·teous 
/ˌsɛlfˈraɪtʃəs/ adjective
/ˌsɛlfˈraɪtʃəs/ adjective [more self–righteous; most self–righteous] disapproving : having or showing a strong belief that your own actions, opinions, etc., are right and other people's are wrong
▪ a self-righteous person/tone ▪ self-righteous indignation ▪ It's OK to criticize, but don't be/get self-righteous about it.
▪ a self-righteous person/tone ▪ self-righteous indignation ▪ It's OK to criticize, but don't be/get self-righteous about it.
— self–righ·teous·ly adverb
— self–righ·teous·ness noun [noncount]
