undreamed definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
not even dreamed (of) or imagined; inconceivable
undreamed definition by American Heritage Dictionary
Beyond what could be imagined; unimaginable. Often used with of: undreamed luxuries; a peaceful settlement undreamed of a generation ago.