impassable

[ im-pas-uh-buhl, -pah-suh- ]
See synonyms for impassable on Thesaurus.com
adjective
  1. not passable; not allowing passage over, through, along, etc.: Heavy snow made the roads impassable.

  2. unable to be surmounted: an impassable obstacle to further negotiations.

  1. (of currency) unable to be circulated: He tore the bill in half, making it impassable.

Origin of impassable

1
First recorded in 1560–70; im-2 + passable

Other words from impassable

  • im·pass·a·bil·i·ty, im·pass·a·ble·ness, noun
  • im·pass·a·bly, adverb

Words Nearby impassable

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use impassable in a sentence

British Dictionary definitions for impassable

impassable

/ (ɪmˈpɑːsəbəl) /


adjective
  1. (of terrain, roads, etc) not able to be travelled through or over

Derived forms of impassable

  • impassability or impassableness, noun
  • impassably, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012