impassable

adjective

im·​pass·​able (ˌ)im-ˈpa-sə-bəl How to pronounce impassable (audio)
variants or less commonly impassible
Synonyms of impassablenext
: incapable of being passed, traveled, crossed, or surmounted
impassability noun
impassableness noun
impassably adverb

Examples of impassable in a Sentence

The roads were made impassable by the flood. the road was impassable until snowplows cleared it
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Successive punches of snow and wind were impacting the eastern half of the United States on Monday as severe weather swept across much of the nation, making roads impassable in the Upper Midwest and canceling more than 2,000 flights nationwide. ABC News, 16 Mar. 2026 The Michigan State Police, Seventh District, said Monday morning that some roads in the Cheboygan, Gaylord and Alpena areas are impassable and Alpena County is experiencing power outages. Paula Wethington, CBS News, 16 Mar. 2026 In Wisconsin, many roads in northern counties were impassable Sunday, the state’s transportation department said, urging everyone in the region to avoid driving. Briana Waxman, CNN Money, 15 Mar. 2026 The Strait of Hormuz has been all but impassable since the opening salvos of the war, which continued for a 12th day with missiles and drones fired from both sides. Boston Herald Wire Services, Boston Herald, 11 Mar. 2026 See All Example Sentences for impassable

Word History

First Known Use

1562, in the meaning defined above

Time Traveler
The first known use of impassable was in 1562

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Cite this Entry

“Impassable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impassable. Accessed 23 Mar. 2026.

Kids Definition

impassable

adjective
im·​pass·​able (ˈ)im-ˈpas-ə-bəl How to pronounce impassable (audio)
: impossible to pass, cross, or travel over
roads made impassable by the hurricane
impassability noun

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