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navigable

[nav-i-guh-buh l]
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adjective
  1. deep and wide enough to provide passage to ships: a navigable channel.
  2. capable of being steered or guided, as a ship, aircraft, or missile.
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Origin of navigable

1520–30; < Latin nāvigābilis, equivalent to nāvigā(re) to sail (see navigate) + -bilis -ble
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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for non-navigable

Historical Examples

  • First, the granting of water powers forever, either on non-navigable or navigable streams, must absolutely stop.

    The Fight For Conservation

    Gifford Pinchot

  • Water power on non-navigable streams usually results from dropping a little water a long way.


British Dictionary definitions for non-navigable

navigable

adjective
  1. wide, deep, or safe enough to be sailed on or througha navigable channel
  2. capable of being steered or controlleda navigable raft
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Derived Formsnavigability or navigableness, nounnavigably, adverb
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 non-navigable

navigable

adj.

mid-15c., from Old French navigable (14c.) or directly from Latin navigabilis, from navigat-, past participle stem of navigare (see navigation). Related: Navigability.

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Online Etymology Dictionary, © 2010 Douglas Harper