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unnavigable

adjective
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un·​navigable | \ "+ \

Definition of unnavigable

: not navigable up rapid-broken, unnavigable streams — World's Work

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First Known Use of unnavigable

1578, in the meaning defined above

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The first known use of unnavigable was in 1578

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Cite this Entry

“Unnavigable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unnavigable. Accessed 26 Oct. 2020.

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