mu·​ta·​ble | \ ˈmyü-tə-bəl How to pronounce mutable (audio) \

Definition of mutable

1 : prone to change : inconstant mutable opinions
2a : capable of change or of being changed mutable laws
b : capable of or liable to mutation mutable vowels a mutable gene

Other Words from mutable

mutability \ ˌmyü-​tə-​ˈbi-​lə-​tē How to pronounce mutable (audio) \ noun
mutably \ ˈmyü-​tə-​blē How to pronounce mutable (audio) \ adverb

Examples of mutable in a Sentence

the government's mutable economic policies a politician with very mutable positions on all the issues
Recent Examples on the Web But given the interlocking complexity of mutable algorithms and stacked internal policy choices that determine how platforms actually work, effective external regulation seems far less attainable than revolt from within. Lara Putnam, Wired, 13 Mar. 2022 Los Angeles Chamber Orchestra violinist and concertmaster Margaret Batjer leads members of the ensemble in Dmitry Sitkovetsky’s string arrangement of Bach’s highly mutable 1741 composition originally written for the harpsichord. Los Angeles Times, 10 Mar. 2022 Yet images are infinitely mutable, their meanings reshaped as societies change. New York Times, 11 Feb. 2022 Besides, with Jupiter’s transit through Pisces, four Mercury retrogrades this year, and a Mars retrograde in Gemini to close things off, our mutable friends have their own work cut out for them. Gala Mukomolova,, 29 Dec. 2021 One of the main contributors is genetics — a factor that's about as mutable as our shoe size. Natasha Bowman, Forbes, 27 Dec. 2021 The endlessly mutable reality franchise that is The Challenge is expanding again. Rick Porter, The Hollywood Reporter, 15 Feb. 2022 But very few have specific candidates in mind, underscoring how distant -- and potentially mutable -- the 2024 race remains. Ariel Edwards-levy, CNN, 13 Feb. 2022 There are internal laws of physics governing a good sketch, keeping everything on the right side of total nonsense, but these laws tend to be mutable, ephemeral and contradictable to a degree seldom seen in, say, sitcoms or feature films. New York Times, 9 Feb. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mutable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of mutable

14th century, in the meaning defined at sense 1

History and Etymology for mutable

Middle English, from Latin mutabilis, from mutare to change; akin to Old English mīthan to conceal, Sanskrit mināti he exchanges, deceives

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The first known use of mutable was in the 14th century

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Last Updated

18 Apr 2022

Cite this Entry

“Mutable.” Dictionary, Merriam-Webster, Accessed 26 May. 2022.

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More Definitions for mutable


mu·​ta·​ble | \ ˈmyüt-ə-bəl How to pronounce mutable (audio) \

Medical Definition of mutable

1 : capable of change or of being changed in form, quality, or nature
2 : capable of or liable to mutation


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