from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Not satisfactory; inadequate.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. inadequate, substandard or not satisfactory
from The Century Dictionary and Cyclopedia
- Not satisfactory; not satisfying; not giving satisfaction.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not giving satisfaction
un- + satisfactory (Wiktionary)