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
1520–30;Related formsnav·i·ga·bil·i·ty, nav·i·ga·ble·ness, nounnav·i·ga·bly, adverbnon·nav·i·ga·bil·i·ty, nounnon·nav·i·ga·ble, adjectivenon·nav·i·ga·ble·ness, nounnon·nav·i·ga·bly, adverbun·nav·i·ga·bil·i·ty, nounun·nav·i·ga·ble, adjectiveun·nav·i·ga·ble·ness, nounun·nav·i·ga·bly, adverb
< Latin nāvigābilis,
equivalent to nāvigā(re
) to sail (see navigate
) + -bilis -ble
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for unnavigable
Historical Examples of unnavigable
At the same time there are numerous, but unnavigable rivers.
Their violence makes them difficult to control, and they are unnavigable.
From Vivi to Isangila, we must remember, the river is unnavigable.
The rivers, known only at their mouths, seem to be unnavigable.
On account of the number of trunks of trees, it is unnavigable for large ships.
British Dictionary definitions for unnavigable
Derived Formsnavigability or navigableness, nounnavigably, adverb
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 unnavigable
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