from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. not dividable
from The Century Dictionary and Cyclopedia
- Incapable of being divided or separated; indivisible.
- n. Something which cannot be divided.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. cannot be divided without leaving a remainder
un- + dividable (Wiktionary)