unnavigabilityn.
/(ˌ)ʌnnavᵻɡəˈbɪlᵻti/, U.S. /ˌənˌnævəɡəˈbɪlᵻdi/ Esp. of a waterway or body of water: the fact or quality of being unnavigable.
ΘΚΠ
society > travel > travel by water > [noun] > navigability > not
unnavigability1833
1833 O. Pickering Rep. Supreme Court Mass. 11 61 These are not the ordinary perils of transportation; they result entirely from the unnavigability of the vessel.
1884 National Rev. Mar. 125 Frustrated by the unnavigability of its upper waters.
1945 M. Young Angel in Forest xx. 166 Was not the Ohio known for its snags, curves, hidden islands, and unnavigability in certain seasons?
2002 S. W. Hardwick Mythic Galveston iv. 61 The unnavigability of many of these Texas rivers at certain times of the year made water transportation a seasonal facility at best.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online March 2022).
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n.1833