mutant

adjective

mu·​tant ˈmyü-tᵊnt How to pronounce mutant (audio)
Synonyms of mutantnext
: of, relating to, or produced by mutation
mutant noun

Examples of mutant in a Sentence

Recent Examples on the Web
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.
Most drugs developed against KRAS work by blocking the mutant protein and preventing it from sending growth signals. — William A. Haseltine, Forbes.com, 6 Aug. 2026 Brand New Day — major spoiler alert — introduces Sadie Sink as mutant Jean Grey. — James Hibberd, HollywoodReporter, 5 Aug. 2026 The movie’s biggest reveal involves the identity of the villain played by Sadie Sink — and plenty of questions remain about her future and what her appearance means for a certain fan-favorite mutant superhero team. — Tracy Brown, Los Angeles Times, 31 July 2026 Most mutant powers emerge at puberty, but hers were prematurely triggered when a car struck her best friend, Annie Richardson, as the two played outside. — Nick Romano, Entertainment Weekly, 31 July 2026 See All Example Sentences for mutant

Word History

Etymology

Latin mutant-, mutans, present participle of mutare

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of mutant was in 1903

Rhymes for mutant

See All Rhymes for mutant

Browse Nearby Words

mutakallimun
mutant
mutasarrif
See all Nearby Words

Cite this Entry

“Mutant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mutant. Accessed 11 Aug. 2026.

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Kids Definition

mutant

1 of 2 adjective
mu·​tant
ˈmyüt-ᵊnt
: of, relating to, or produced by mutation

mutant

2 of 2 noun
: a mutant individual

Medical Definition

mutant

1 of 2 adjective
mu·​tant ˈmyüt-ᵊnt How to pronounce mutant (audio)
: of, relating to, or produced by mutation

mutant

2 of 2 noun
: a mutant individual

More from Merriam-Webster on mutant

Thesaurus: All synonyms and antonyms for mutant

Nglish: Translation of mutant for Spanish Speakers

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