pretentious

adjective
UK /prɪˈtɛnʃəs/
US /prɪˈtɛnʃəs/

Acting like you are better or more important than you really are.

He was pretentious at the party, talking about his expensive art collection.


OTHER MEANINGS

2. Trying to seem more important, clever, or cultured than you actually are.

Her pretentious comments about literature annoyed everyone.

3. Making an exaggerated outward show of wealth or status.

The restaurant had a pretentious menu with fancy names for simple dishes.

4. Claiming a false or unsupported position of importance.

The pretentious claim that the film was a masterpiece was widely mocked.