- deep and wide enough to provide passage to ships: a navigable channel.
- capable of being steered or guided, as a ship, aircraft, or missile.
Origin of navigable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for navigability
The address deals mainly with the navigability of the Sangamon River.
The steamer Talisman in 1832 made a trip to determine the navigability of the Sangamon.
The navigability of the sea to the remote west, the weeds not offering any insuperable obstruction.History of the Intellectual Development of Europe, Volume II (of 2)
John William Draper
The difference in the distribution and navigability of the rivers amply explains this difference.Historic Highways of America (Vol. 7)
Archer Butler Hulbert
After three centuries of exploration, the navigability of Hudson Bay and Strait remains a vexed question.
- wide, deep, or safe enough to be sailed on or througha navigable channel
- capable of being steered or controlleda navigable raft
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for navigability
mid-15c., from Old French navigable (14c.) or directly from Latin navigabilis, from navigat-, past participle stem of navigare (see navigation). Related: Navigability.
Online Etymology Dictionary, © 2010 Douglas Harper