Definition of "inalterable" [in•al•ter•a•ble]

• Impossible to alter; unchangeable: the inalterable routine of a physician. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In the American system, however, it is expect that Congressmen are to vote at least partially on their own volition; the expectation of individual accountability lends itself to external persuasion, as the vote of the individual is not considered to be inalterable from the party position."
• "A wyrd or fate is not an inalterable future, so much as a part of the present we have not yet experienced."
• "Fundamental to the protection the religion clauses provides is the idea that religion, to the religious, is a fundamental characteristic of self, as inalterable as gender or skin color."