MUTANT Synonyms: 69 Similar and Opposite Words

mutant 1 of 2

noun

as in mutation

biology a plant or animal that is different from other plants or animals of the same kind because of a change in the structure of its genes; something produced by genetic mutation

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mutant

2 of 2

adjective

as in abnormal

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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 mutant

Noun

This generated a lot of interest because one of the main ways that cancer develops resistance to RAS inhibitors is by amplifying mutant RAS, basically flooding the cell with the oncoprotein and overwhelming the inhibitor. —

Matthew Herper, STAT, 22 Apr. 2026 In the wild, these mutants are hopeless, failing to send offspring into the world. —

Literary Hub, 25 Mar. 2026

Adjective

On his first solo release in eight years, 100 gecs’ mutant-pop prankster turns his attention to relatively straightforward big-tent EDM—but not without a little noise-scene provocation. —

Colin Joyce, Pitchfork, 25 Mar. 2026 As expected, while both forms of PERK carried out nearly identical functions, mutant PERK did not sufficiently clear out tau. —

Jose Abisambra, The Conversation, 13 Mar. 2026 See All Example Sentences for mutant

Recent Examples of Synonyms for mutant

Noun

Stevens has a rare genetic degenerative eye disorder caused by mutations in the CERKL gene.

— Regina Elling, San Diego Union-Tribune, 28 May 2026
About 20 years ago, researchers at UT Southwestern Medical Center found that people with mutations in their PCSK9 gene tended to have very low levels of LDL, and therefore low rates of heart events.

— Alice Park, Time, 28 May 2026