[ im-prak-ti-kuh-buh l ]
/ ɪmˈpræk tɪ kə bəl /


not practicable; incapable of being put into practice with the available means: an impracticable plan.
unsuitable for practical use or purposes, as a device or material.
(of ground, places, etc.) impassable.
(of persons) hard to deal with because of stubbornness, stupidity, etc.

Origin of impracticable

First recorded in 1645–55; im-2 + practicable
Related formsim·prac·ti·ca·bil·i·ty, im·prac·ti·ca·ble·ness, nounim·prac·ti·ca·bly, adverb
Can be confusedimpossible impracticable impractical improbable Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for impracticable

British Dictionary definitions for impracticable


/ (ɪmˈpræktɪkəbəl) /


incapable of being put into practice or accomplished; not feasible
unsuitable for a desired use; unfit
an archaic word for intractable
Derived Formsimpracticability or impracticableness, nounimpracticably, 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 impracticable



"incapable of being done," 1670s, from assimilated form of in- (1) "not, opposite of" + practicable. Earlier in a sense of "impassable" (1650s).

Online Etymology Dictionary, © 2010 Douglas Harper