from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Impossible to span: an unbridgeable chasm; unbridgeable differences.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Unable to be bridged or crossed; impossible to span.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not bridgeable
Sorry, no etymologies found.