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Showing results for unchangeable. Search instead for unchallengeable.
Synonyms

unchangeable

British  
/ ʌnˈtʃeɪndʒəbəl /

adjective

  1. not capable of being 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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Joint wills are complicated and, unlike trusts that become irrevocable upon one spouse’s death, are not necessarily unchangeable after one spouse dies.

From MarketWatch • Feb. 23, 2026

A fixed mindset -- the belief that intelligence and ability are unchangeable traits -- is also connected to impostor feelings.

From Science Daily • Jan. 5, 2026

What are the facts of this scene that are unchangeable?

From The Wall Street Journal • Dec. 24, 2025

The smoke from burning meat — for tacos or burgers or shawarma — is an unchangeable part of the weather report.

From Los Angeles Times • Nov. 15, 2022

“If these are your last, unchangeable proposals,” he told Kissinger, “settlement is impossible.”

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin