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
The National Park Service advised visitors to be aware that unpaved roads may be impassable due to storm damage and to be prepared for self-rescue when traveling on backcountry roads.
—
Julia Jacobo, ABC News, 10 Dec. 2025
Hazardous travel conditions are anticipated, with warnings noting that roads, bridges and overpasses may become slick or impassable, and widespread blowing snow could trigger whiteout.
—Anna Skinner, MSNBC Newsweek, 9 Dec. 2025
When time stops one hot summer day and the road out vanishes, not everyone is displeased with the changes, even when the sparse little woods turn into an impassable forest and the river brims with strange, seductive voices.
—Literary Hub, 5 Dec. 2025
In addition to making some unpaved roads impassable, the storms left several paved roads blocked by debris.
—Bay Area News Group, Mercury News, 5 Dec. 2025
See All Example Sentences for impassable
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Julia Jacobo, ABC News, 10 Dec. 2025
Hazardous travel conditions are anticipated, with warnings noting that roads, bridges and overpasses may become slick or impassable, and widespread blowing snow could trigger whiteout.
—Anna Skinner, MSNBC Newsweek, 9 Dec. 2025
When time stops one hot summer day and the road out vanishes, not everyone is displeased with the changes, even when the sparse little woods turn into an impassable forest and the river brims with strange, seductive voices.
—Literary Hub, 5 Dec. 2025
In addition to making some unpaved roads impassable, the storms left several paved roads blocked by debris.
—Bay Area News Group, Mercury News, 5 Dec. 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 18 Dec. 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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