MUTANT Synonyms: 69 Similar and Opposite Words

mutant 1 of 2

noun

Definition of mutant

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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Dissimilar Words

mutant

2 of 2

adjective

as in abnormal

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Dissimilar Words

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

Over in Marvel’s territory, the X-Men had their whole chronology readjusted when a time-traveling mutant killed off Professor Charles Xavier, allowing Apocalypse to run rampant. — Daniel Dockery, Vulture, 24 Aug. 2026 Her character, a mutant, has powers that include telepathy and organic diamond transformation mutation. — Julia Teti, Footwear News, 17 Aug. 2026

Adjective

The antibody recognizes the mutant KRAS fragment on the cancer cell while the other end connects to a T cell, bringing the two into direct contact and directing the immune cell to attack. — William A. Haseltine, Forbes.com, 12 Aug. 2026 Brand New Day — major spoiler alert — introduces Sadie Sink as mutant Jean Grey. — James Hibberd, HollywoodReporter, 5 Aug. 2026 See All Example Sentences for mutant

Recent Examples of Synonyms for mutant

Noun

Scientists analyze mutations in a patient’s tumor and create a personalized therapy designed to train the immune system to recognize and attack the cancer.

— Sally C. Pipes, Chicago Tribune, 20 Sep. 2026
Someone living in Southern Appalachia today doesn’t necessarily carry the mutation, and someone who carries it may live anywhere, says LoPiccolo.

— Tom Gavin, EverydayHealth.com, 18 Sep. 2026

Definition of mutation

Adjective

Taking prescribed medications, following up on abnormal test results and addressing chronic health conditions rather than putting them off are all ways to support long-term vascular and brain health.

— Lauryn Higgins, Flow Space, 16 Sep. 2026
Holtec is developing the Pioneer units around its SMR-300 reactor, which uses passive safety systems designed to respond to abnormal conditions without relying on active operator intervention.

— Neetika Walter, Interesting Engineering, 15 Sep. 2026

Definition of abnormal

Noun

Back in 2007, Cash underwent brain surgery following a Stage 1 Chiari malformation diagnosis.

— Emily St. Martin, Los Angeles Times, 8 Sep. 2026
Sixteen-year-old Quin Duncan is a varsity lacrosse player in Wilmington is relieved to be back on the field after a bout with arteriovenous malformation (AVM).

— Stephanie Stahl, CBS News, 4 June 2026

Definition of malformation

Adjective

Sabatini suggested to the jury there were possible explanations for that aberrant behavior without settling on a specific reason.

— Alex Riggins, San Diego Union-Tribune, 9 July 2026
Learning that these behaviors not only exist, but are prevalent in the animal kingdom, Page says, helps debunk what remains a widespread belief among certain humans that homosexuality and transgenderism are unnatural and aberrant.

— Mike Miller, Entertainment Weekly, 19 June 2026

Definition of aberrant

Noun

What kind of direction was Cregger giving you during the monster fight at the end?

— Jordan Moreau, Variety, 19 Sep. 2026
Based on the popular Capcom video games, Resident Evil stars Austin Abrams as Bryan, an outmatched medical courier who becomes trapped in a monster outbreak in Raccoon City during a single night of chaos and has to try to survive.

— Lexi Carson, HollywoodReporter, 18 Sep. 2026

Definition of monster

Adjective

City are built around the freakish goalscoring ability of Erling Haaland, while wide players such as Antoine Semenyo and Jeremy Doku have been specifically recruited to hold width and drive to the byline to create chances for the big Norwegian.

— Thom Harris, New York Times, 26 Aug. 2026
Many of the characters readers meet in Southern Gothic works like McCullers’ are freakish and brutal.

— Billy J. Stratton, The Conversation, 21 Aug. 2026

Definition of freakish

Noun

The report attributed the anomaly to a strong Arctic winter vortex in January and February 2025.

— Adam Kovac, Scientific American, 16 Sep. 2026
Reatil and quick-service restaurants can audit drive-thru bottlenecks, analyze foot traffic and flag point-of-sale (POS) anomalies.

— Robert Messer, Forbes.com, 15 Sep. 2026

Definition of anomaly

Adjective

In the new era of asymmetric warfare, advanced variants of Thales’ 70mm rockets are increasingly well suited to counter-drone missions, delivering reliable and scalable effectiveness against evolving aerial threats, according to a press release.

— Prabhat Ranjan Mishra, Interesting Engineering, 7 Sep. 2026
The garment was a deep shade of purple, almost eggplant, and featured an asymmetric neckline that draped over a single shoulder, transitioning into a thin midsection with cutouts on either side.

— Amina Ayoud, Footwear News, 6 Sep. 2026

Definition of asymmetrical

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mutable

mutant

mutants

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Style

“Mutant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mutant. Accessed 21 Sep. 2026.

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Synonyms of mutant

noun

adjective

Example Sentences

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