MUTABLE Synonyms: 75 Similar and Opposite Words

mutable

adjective

ˈmyü-tə-bəl

Definition of mutable

as in volatile

likely to change frequently, suddenly, or unexpectedly a politician with very mutable positions on all the issues

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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 mutable The highly mutable nature of street life and the participatory character of the show means its tone can shift drastically from tour to tour, even within the same night. — Los Angeles Times, 22 June 2026 The obstacles are mutable and insidious. — Kevin Rennie, Hartford Courant, 7 Mar. 2026 Warm, ashen, and almost preternaturally glossy, consider the pop star's interpretation a blueprint for the mutable color trend. — Calin Van Paris, InStyle, 3 Mar. 2026 In Search of Lost Time can explore selfhood, then, and find that the self is a sprawling, mutable thing. — Literary Hub, 18 Feb. 2026 See All Example Sentences for mutable

Recent Examples of Synonyms for mutable

Adjective

Inflation remains volatile in many countries, reflecting varied conditions in markets around the world.

— John M. Bremen, Forbes.com, 31 July 2026
Beyond the oil and gas industry, major banks including JPMorgan are making record profits during the ongoing war thanks to heavy trading volumes as investors rush to dump volatile assets or buy the dip.

— Victor Tangermann, Futurism, 30 July 2026

Definition of volatile

Adjective

The Open Worldwide Application Security Project describes a use-after-free as when a program accesses heap memory after it’s been freed, leading to unpredictable behavior or exploits.

— Davey Winder, Forbes.com, 31 July 2026
Even while navigating a challenging economic landscape—marked by fluctuating input costs, unpredictable weather and shifting market dynamics—growers are choosing to formalize and voluntarily provide data on their sustainability practices.

— SJ Studio, Footwear News, 31 July 2026

Definition of unpredictable

Adjective

Rigorous, blustery winter; winding sleety spring; hot, moist enervating summer; changeful autumn with its dog-days; these are absolutely unknown.

— San Diego Union-Tribune, San Diego Union-Tribune, 1 Jan. 2023
Hers is the kind of face that inspires directors to tight framing — gleaming, as if smoothed from marble, and yet somehow pliant, changeful.

— Jordan Kisner Jack Davison, New York Times, 11 Oct. 2022

Definition of changeful

Adjective

The second follows in winter through the barn door, because grain is feed, often the largest variable cost in pork, chicken, eggs, milk and beef; those contract highs in Paris are next winter’s feed bills arriving early.

— Ingmar Rentzhog, Forbes.com, 1 Aug. 2026
Lydian’s system instead uses reactors and plant components designed specifically for renewable electricity, variable power prices, and smaller modular deployments.

— Atharva Gosavi, Interesting Engineering, 1 Aug. 2026

Definition of variable

Browse Nearby Words

mutability

mutable

mutant

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“Mutable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mutable. Accessed 5 Aug. 2026.

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Synonyms of mutable

adjective

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