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1. Not able to be exchanged one for another: a rare, incommutable skill.
2. That cannot be altered: an incommutable death sentence.

in′com·mut′a·bil′i·ty, in′com·mut′a·ble·ness n.
in′com·mut′a·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


incapable of being commuted; unalterable
ˌincomˌmutaˈbility, ˌincomˈmutableness n
ˌincomˈmutably adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌɪn kəˈmyu tə bəl)

1. unchangeable; immutable: an incommutable law.
2. not exchangeable.
[1400–50; late Middle English < Latin incommūtābilis. See in-3, commutable]
in`com•mut′a•bly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.incommutable - not subject to alteration or change
commutable - subject to alteration or change; "the death sentence was commutable to life imprisonment"
2.incommutable - not interchangeable or able to substitute one for another; "a rare incommutable skill"
unexchangeable - not suitable to be exchanged
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.