1. ostentatious intended to attract notice and impress others
  2. instantaneous occurring with no delay
  3. instant coffee dehydrated coffee that can be made into a drink by adding hot water
  4. unostentatious not ostentatious
  5. instantaneousness the quickness of action or occurrence
  6. instantiate represent by a specific example
  7. instance an item of information that is typical of a class or group
  8. when the time comes at the appropriate time
  9. institute set up or lay the groundwork for
  10. instantaneously without any delay
  11. instant replay the immediate rebroadcast of some action (especially sports action) that has been recorded on videotape
  12. unstinted very generous
  13. instinctive unthinking
  14. ostentatiousness lack of elegance as a consequence of being pompous and puffed up with vanity
  15. institution a custom that has been an important feature of some group
  16. instantiation a representation of an idea by an example of it
  17. unstintingly in an unstinting manner
  18. instant a very short time
  19. unstinting very generous
  20. instinct inborn pattern of behavior often responsive to stimuli