from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Resistant to shattering: shatterproof goggles.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Resistant to shattering; difficult to break.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. resistant to shattering or splintering
shatter + -proof (Wiktionary)