C1 adjective /ˌsɛlf ˈraɪtʃəs/
self-righteous
自己満足
Meaning
Having or showing an attitude of moral superiority; believing one’s own beliefs are the only right ones.
Example
His self-righteous comments made everyone uncomfortable.
彼の自己満足的なコメントは、みんなを不快にさせました。