What is pompeous?

"Pompeous" seems to be a misspelling of "pompous," which refers to someone or something that is characterized by an exaggerated sense of self-importance, grandeur, or dignity. Pompous individuals often display arrogance and seek to impress others with their perceived superiority. This attitude can be off-putting and may lead to social alienation. In literature or criticism, a pompous style may be marked by grandiOSe language that lacks substance.