pretentious

Claiming that or behaving as if one is important or deserving of merit when such is not the case.

Showing or betraying an attitude of superiority.

Marked by an extravagant or presumptuous outward show; ostentatious: synonym: showy.

Pretended; unfounded; false.

Full of pretension, or claims to greater excellence or importance than the truth warrants; attempting to pass for more than the actual worth or importance; making an exaggerated outward show.