Meaning of open-ended

o•pen-end•ed

Pronunciation: (ō'pun-en'did), [key]
— adj.
  1. not having fixed limits; unrestricted; broad: an open-ended discussion.
  2. allowing for future changes, revisions, or additions: open-ended agreements.
  3. having no fixed answer: an open-ended question.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.