impassable
adjective
im·pass·able
(ˌ)im-ˈpa-sə-bəl 
variants
or less commonly impassible
: incapable of being passed, traveled, crossed, or surmounted
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
Until the 1950s, Livigno was completely isolated during the winter, when heavy snow would make the roads connecting it to Italy and Switzerland impassable.
—
Laura Itzkowitz, Travel + Leisure, 4 Nov. 2025
For three months, the party scouted out a path across the desert, frequently detouring around impassable canyons and mountains.
—Mike Bezemek, Outside, 29 Oct. 2025
On the Tibetan side of Everest, ticket sales had been suspended since Tuesday afternoon as roads turned icy and visibility plunged, creating impassable conditions for vehicular traffic, according to the tourism department of Tingri county.
—Reuters, CNN Money, 29 Oct. 2025
And because so many roads are impassable, damage assessment was only just beginning this evening after a devastating direct hit from Melissa.
—Matt Nighswander, NBC news, 29 Oct. 2025
See All Example Sentences for impassable
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Laura Itzkowitz, Travel + Leisure, 4 Nov. 2025
For three months, the party scouted out a path across the desert, frequently detouring around impassable canyons and mountains.
—Mike Bezemek, Outside, 29 Oct. 2025
On the Tibetan side of Everest, ticket sales had been suspended since Tuesday afternoon as roads turned icy and visibility plunged, creating impassable conditions for vehicular traffic, according to the tourism department of Tingri county.
—Reuters, CNN Money, 29 Oct. 2025
And because so many roads are impassable, damage assessment was only just beginning this evening after a devastating direct hit from Melissa.
—Matt Nighswander, NBC news, 29 Oct. 2025
See All Example Sentences for impassable
Cite this Entry
“Impassable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impassable. Accessed 10 Nov. 2025.
Copy CitationKids Definition
impassable
adjective
im·pass·able
(ˈ)im-ˈpas-ə-bəl
: impossible to pass, cross, or travel over
roads made impassable by the hurricane
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