unchangeable
Britishadjective
Explanation
Anything that doesn't alter or shift over time is unchangeable, like the unchangeable rules at your school or your unchangeable conviction that pistachio is the tastiest flavor of ice cream. Things that can't be changed are unchangeable, and this adjective tends to be used for describing really big ideas, like the unchangeable laws of the universe or the unchangeable nature of love. You can use it for anything that seems steadfast, firm, or permanent, like your unchangeable affection for your best friend or your sister's unchangeable insistence that she has to ride in the front seat.
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
Rather than emphasizing unchangeable characteristics, he presented human beings as malleable over long stretches of time.
From The Wall Street Journal ● Jan. 30, 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
Most of us take primaries for granted as an unchangeable feature of our politics that has always been with us.
From Los Angeles Times ● Mar. 1, 2024
Again she regarded me so icily, I felt at once that her opinion of me—her feeling towards me—was unchanged and unchangeable.
From "Jane Eyre" by Charlotte Brontë
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
