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 This mutable sign is keen on what others are likely to overlook, including the small habits that determine whether something is sustainable. — Valerie Mesa, PEOPLE, 9 July 2026 The greater challenge for a film of its scale is capturing the spirit of Homer’s immortal epic, which has proven, over centuries, as mutable as the shape-shifting Proteus—and just as slippery. — Encyclopedia Britannica, 6 July 2026 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 See All Example Sentences for mutable

Recent Examples of Synonyms for mutable

Adjective

One wild card for inflation has been oil prices, which have been volatile due to uncertainty about the war in Iran.

— ABC News, ABC News, 28 Aug. 2026
Citadel’s stock transactions are giving investors a glimpse of how Griffin is navigating an increasingly volatile market.

— Miami Herald, Miami Herald, 28 Aug. 2026

Definition of volatile

Adjective

Researchers from Tohoku University in Japan and VISTEC in Thailand say the approach could help robots move more effectively through unpredictable terrain.

— Jijo Malayil, Interesting Engineering, 28 Aug. 2026
Prolific and versatile, Richard Linklater has been one of the most joyously unpredictable filmmakers for more than 35 years.

— Mark Olsen, Los Angeles Times, 27 Aug. 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 bottom line Interest earnings on $40,000 over the next year can be as low as $152 or as high as $1,720 or potentially even higher, depending on how variable rate accounts evolve over time.

— Matt Richardson, CBS News, 27 Aug. 2026
But maples are variable each year with more orange, yellow and red.

— Stephen Underwood, Hartford Courant, 24 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 1 Sep. 2026.

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Synonyms of mutable

adjective

Example Sentences

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