- not capable of being altered, changed, or modified.
Origin of unalterable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unalterably
The characters inhabit a patriarchal, unalterably hierarchal society, where class—and the chasms it creates—is front and center.Khaled Hosseini’s Favorite Story Collections
May 21, 2013
He was, therefore, unalterably opposed to the admission of the new State.
Well, I most decidedly and unalterably object, Professor Simec.
This position I respectfully but unalterably decline to accept.A History of the French Novel, Vol. 2
The regiment was also a home, and as unalterably dear and precious as his parents' house.War and Peace
"I'm unalterably——" said Dink and stopped, as the rest was superfluous.The Varmint
- (of a condition, truth, etc) unable to be changed or altered
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 unalterably
Online Etymology Dictionary, © 2010 Douglas Harper