A pretentious person is someone who puts on a show of being more important, wealthy, or sophisticated than they really are. This can be seen in the crossword solutions for the term: SWANK (5 letters), POSEUR (6 letters), SNOB (4 letters), pseud (5 letters), POSER (5 letters), UPSTART (7 letters), and bluffer (7 letters). These words all imply someone who is trying to appear more important than they really are, often through their clothing, possessions, or attitude.