Pronunciation: (os"ten-tā'shus, -tun-), [key]
1. characterized by or given to pretentious or conspicuous show in an attempt to impress others: an ostentatious dresser.
2. (of actions, manner, qualities exhibited, etc.) intended to attract notice: Lady Bountiful's ostentatious charity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.