Here's why:
* Arrogant, ostentatious, and pretentious: These words describe someone who is overly confident, showy, and tries to appear more important than they are.
* Gauche: This word means awkward, clumsy, or lacking in social grace. It's often used to describe someone who is trying too hard to be sophisticated or elegant but ends up appearing foolish or out of place.
Let me know if you have any other word puzzles!