- capable of being passed through, beyond, or over; fit to be traversed, penetrated, crossed, etc., as a road, forest, or stream.
- adequate; acceptable: a passable knowledge of French.
- capable of being circulated legally or having a valid currency, as a coin.
- capable of being or liable to be ratified or enacted: passable legislation.
Origin of passable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unpassable
It was a soul-stirring sight, and one of unpassable grandeur.The Motor Rangers Through the Sierras
But always there is a barrier between her and me; a barrier impalpable yet unpassable.The Red Symbol
The crossing would have been laborsome for a horse; for an automobile it was unpassable.The Light of Western Stars
A day's march "through most unpassable rocks and cliffs" brought them to within sight of the island of San Juan at the east end.A Short History of the Royal Navy 1217 to 1688
The unpassable danger of last night was only difficulty in the morning, and shakily and in fear he overcame it.Yonder
Emily Hilda Young
- adequate, fair, or acceptablea passable speech
- (of an obstacle) capable of being passed or crossed
- (of currency) valid for general circulation
- (of a proposed law) able to be ratified or enacted
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 unpassable
Online Etymology Dictionary, © 2010 Douglas Harper