UNCHANGEABLE Synonyms: 42 Similar and Opposite Words

unchangeable

adjective

ˌən-ˈchān-jə-bəl

Definition of unchangeable

as in unchanging

not capable of changing or being changed I'm afraid that my opinion on this matter is unchangeable

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Example Sentences

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Recent Examples of unchangeable Coachability used to be considered a mostly unchangeable personality trait; these days, it’s seen as a set of skills that can be developed. — Alex Hutchinson, Outside, 22 Mar. 2026 Past that, positioning Kliff as an unchangeable, central lead tries to emulate something like The Witcher, without 10% of the writing and characterization. — Paul Tassi, Forbes.com, 21 Mar. 2026 And the teachings and demonstrations of Christ Jesus set us on the solid foundation of knowing and experiencing God’s loving and unchangeable law. — Robert Schult, Christian Science Monitor, 23 Jan. 2026 Richter’s piece floods in, the strings mounting to something freeing but unchangeable. — Fran Hoepfner, Vulture, 26 Nov. 2025 See All Example Sentences for unchangeable

Recent Examples of Synonyms for unchangeable

Adjective

On just one unchanging set, an old-time concert hall designed by Rachel Hauck and made appropriately ominous, a tiny ensemble enacts a whole Greek tragedy of love and sacrifice that goes from the land of the living to the underworld and back.

— Wilson Chapman, IndieWire, 22 July 2026
There is a fallacy in thinking of languages as brute and unchanging facts, laid out distinctly like elements in the periodic table.

— Nikhil Krishnan, New Yorker, 20 July 2026

Definition of unchanging

Adjective

As a beekeeper, you are also granted a glimpse into a society radically unlike our own, a world of harmony where each bee has its own immutable function.

— Richard Schiffman, Christian Science Monitor, 22 July 2026
By focusing on changing immutable elements through mind power alone, the manifestation practices of Byrne and Nafousi—which promote aligning visualization with action—entered the world of magical thinking.

— Daisy Schofield, Allure, 13 July 2026

Definition of immutable

Adjective

Exoplanets with orbits tilted with respect to their invariable plane could disrupt the rest of their system.

— Doris Elin Urrutia, Space.com, 8 June 2026
Among other things, Marx is invoking the algebraic distinction between known and invariable (constant) and unknown (variable) values.

— Literary Hub, Literary Hub, 22 Sep. 2025

Definition of invariable

Adjective

In the case of tomatoes, this is true with indeterminate varieties, and less so with determinate varieties that won’t continue growing and producing after harvesting.

— Amy Brightfield, Better Homes & Gardens, 20 July 2026
Pruning is unnecessary because determinate tomatoes only grow to a certain height and then stop producing foliage.

— Samantha Johnson, Martha Stewart, 18 July 2026