How Do You Spell UNNAVIGABLE?
Pronunciation: [ʌnnˈava͡ɪd͡ʒəbə͡l] (IPA) 
Pronunciation: [ʌnnˈava͡ɪd͡ʒəbə͡l] (IPA)
The term "unnavigable" refers to the inability of waters, such as rivers, lakes, or seas, to be safely traversed by boats, ships, or other vessels due to various natural or man-made obstacles. Unnavigable bodies of water are characterized by factors that hinder or prevent navigation, rendering them impassable or highly risky for maritime transportation.
The conditions leading to unnavigability can include shallow depths, too many rocks or shoals, excessive silt or mud, strong currents, narrow channels, or dangerous rapids and waterfalls. These obstacles impede the movement of vessels and make navigation perilous or impossible. Unnavigable waters can be found in both inland and coastal areas and may be subject to change over time due to natural processes, such as erosion or sedimentation.
Legal systems often recognize the concept of unnavigable waters, which may have implications for property rights, public access, and the establishment of boundaries. For instance, a water body deemed unnavigable may not be subject to certain navigation-related laws or regulations.
In summary, the term "unnavigable" refers to bodies of water that cannot be safely or practically navigated by boats or other vessels due to physical, geographical, or legal constraints. It indicates the lack of suitability for maritime transportation, often due to natural or artificial impediments that obstruct or prevent navigation.
That cannot be passed over in ships.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word unnavigable is derived from the Latin word navigabilis, which means able to be sailed or navigated. The prefix un- in English is used to create a negative or opposite meaning. Therefore, unnavigable means not navigable or incapable of being sailed or navigated.
