WordWeb Online

1. A gaudy outward display
   - fanfare, flash
    
2. Lack of elegance as a consequence of being pompous and puffed up with vanity
   "a charming host without any touch of stiffness or ostentation";
   - ostentatiousness, pomposity, pompousness, pretentiousness, puffiness, splashiness, inflation
    
3. Pretentious, showy or vulgar display

Derived forms: ostentations

Type of: display, inelegance, largeness, pretension, pretentiousness

Encyclopedia: Ostentation