un·pass·able
| \ ˌən-ˈpa-sə-bəl
\
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Definition of unpassable
: incapable of being traveled, traveled through, or crossed : impassible
… a continent of land of at least 1800 miles, in which journey we had … unpassable deserts to go over …— Daniel Defoe
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8 Apr 2022
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Cite this Entry
“Unpassable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpassable. Accessed 28 May. 2022.
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Time Traveler for unpassable
The first known use of unpassable was circa 1525
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