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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of unchangeable Policies Vary by Location As generous as Aldi’s approach can be, there are a few places where the rules are solid and unchangeable. — Jessica Safavimehr, Southern Living, 22 Apr. 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 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 Families can also create irrevocable trusts to remove countable assets towards Medicaid qualification, but remember, irrevocable trusts are usually unchangeable. — Medora Lee, USA Today, 9 May 2026 See All Example Sentences for unchangeable

Recent Examples of Synonyms for unchangeable

Adjective

The soccer world has moved on from the idea that a coach must share his players' blood and that a team’s identity is just a reflection of an unchanging national character.

— Michael Morris, Time, 1 July 2026
Typically, people recover meteorites in geologically unchanging regions, such as deserts or ice fields, where the meteorites stand out against the landscape.

— Adam Lark, Scientific American, 28 June 2026

Definition of unchanging

Adjective

For trans teens and their families, the dispute has involved a matter of immutable identity and equal opportunity.

— Devin Dwyer, ABC News, 30 June 2026
Crypto markets will not gain institutional trust simply because transactions are recorded on an immutable ledger.

— Sean Stein Smith, Forbes.com, 30 June 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

Knowing the difference between determinate or indeterminate tomatoes.

— Patricia S York, Southern Living, 22 June 2026
Compassionate release emerged from the Sentencing Reform Act of 1984, a statute better known for eliminating parole and ushering in the modern era of determinate sentencing.

— Walter Pavlo, Forbes.com, 5 June 2026