from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not mated.
from The Century Dictionary and Cyclopedia
- Not mated; not paired.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not mated sexually
- adj. of the remaining member of a pair, of socks e.g.
From un- + mated. (Wiktionary)