from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Not able to be exchanged one for another.
  • adjective That cannot be altered.

from The Century Dictionary.

  • Not commutable; incapable of being commuted or exchanged with another.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Not commutable; not capable of being exchanged with, or substituted for, another.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Not commutable

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective not interchangeable or able to substitute one for another
  • adjective not subject to alteration or change


from Wiktionary, Creative Commons Attribution/Share-Alike License

in- +‎ commutable


  • I entered, then, and with the vision of my spirit, such as it was, I saw the incommutable light far above my spiritual ken and transcending my mind: not this common light which every carnal eye can see, nor any light of the same order; but greater, as though this common light were shining much more powerfully, far more brightly, and so extensively as to fill the universe.

    O Eternal Truth, true love and beloved eternity

  • Now saith S. Leo in a sermon of the Pentecost: The incommutable deity of the Blessed Trinity is without any changing, one in substance, not divided in operation, all one in will, like in omnipotence, equal in glory, and in his mercy.

    The Golden Legend, vol. 1

  • Ils en donnèrent alors leur démission au roi, à condition que l'exercice leur en resteroit dans l'enclos de leur séminaire, et dans leur ferme de St. Gabriel, avec la propriété perpétuelle et incommutable du Greffe de la justice royale, qui seroit établie dans l'isle, et la nomination du premier juge. "

    The Conquest of Canada (Vol. 1 of 2)


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