disapproval Bombast is trying to impress people by saying things that sound impressive but have little meaning. There was no bombast or conceit in his speech. = pomposity
disapproval If you describe someone as bombastic, you are criticizing them for trying to impress other people by saying things that sound impressive but have little meaning. He was vain and bombastic. the bombastic style adopted by his predecessor. = pompous. bombastic language contains long words that sound important but have no real meaning (bombast (16-21 centuries), from bombace , from bombax )