from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not malleable.
from The Century Dictionary and Cyclopedia
- Not malleable; not capable of being extended by rolling or hammering, as a metal; hence, not capable of being shaped by outside influence; unyielding.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. difficult or impossible to shape or work
un- + malleable (Wiktionary)