pomposity

/pɑmˈpɑsəti/
noun
  1. The quality of being overly serious, self-important, or grand in a way that seems exaggerated or silly.
    • His pomposity annoyed his coworkers, who wished he would just speak plainly.
    • The speech was full of pomposity, with long, fancy words that didn't say much.
    • She couldn't stand the pomposity of the formal dinner party.
Antonyms
What does "pomposity" mean? | whatsthatwordmean | whatsthatwordmean