(Latin: self-important, pretentious, inflated ego)
2. Someone who presents himself or herself as being magnificent or much more important than anyone else: There is a candidate running for President of the U.S. who expresses a great deal of pomposity regarding his wealth as a successful businessman and how much more he can achieve than any of the others who are running for the office.
Although the visitor who attended the commencement had some good things to say, those to whom he talked doubted his pomposities when he bragged about his great successes since graduating two years ago from that same high school.
2. A reference to someone who tries to be seen as being magnificent or very important: Whenever the star sportsman appeared on TV, he had a pompous attitude which upset some viewers.
3. Etymology: borrowed from Old French pompe, "magnificence" and directly from Late Latin pomposus, "stately"; from Latin pompa, "stately display, stately procession".
In Church Latin, used in deprecatory sense (expressing disapproval or criticism) for a "worldly display, vain show (excessively proud)."