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.
Meanwhile, back in the 1990s, suspicious foes and new strains of mutant intolerance are on the rise in the wake of the X-Men’s absence. Armando Tinoco, Deadline, 25 June 2026 Further, mutant embryos are much more difficult to obtain than just wild-type human embryos. Paul Knoepfler, STAT, 24 June 2026 James’s acting career includes roles as the mutant superhero Cyclops in the X-Men film series and as Sheriff Tom Wachowski in the Sonic the Hedgehog franchise. Chris Perugini, Forbes.com, 18 June 2026 Gene therapy company UniQure developed a one-time treatment, AMT-130, that aims to lower brain levels of the mutant protein behind the disease, called huntingtin. Beth Mole, ArsTechnica, 17 June 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

Browse Nearby Words

Cite this Entry

“Mutant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mutant. Accessed 4 Jul. 2026.

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

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