unnavigable in English

adjective
1
(of a waterway or sea) not able to be sailed on by ships or boats.
‘But if the Intracoastal Waterway becomes unnavigable , suddenly you're going to have half the recreational boaters that use it, say 8,000 boats, forced out into the ocean,’ said Smith who is also AIWA chairman.

Use "unnavigable" in a sentence

Below are sample sentences containing the word "unnavigable" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "unnavigable", or refer to the context using the word "unnavigable" in the English Dictionary.

1. Antonyms for Crossable include impassable, impassible, unnegotiable, unpassable, unnavigable, blocked, closed, obstructed, superior and exceptional

2. The Madeira-Mamoré Railroad runs in a 365 kilometres (227 mi) loop around the unnavigable section to Guajará-Mirim on the Mamoré River.