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

Related Words

Relevance

Dissimilar Words

mutant

2 of 2

adjective

as in abnormal

Related Words

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

Dodd remembers the lines he was asked to deliver were directed at the villainous mutant Sabretooth. — Carlos Aguilar, Los Angeles Times, 10 July 2026 Using a warlock’s old spellbook, the aspiring filmmakers conjure a seemingly harmless mutant, who unbeknownst to them, has dastardly designs of world domination. — Patrick Ryan, USA Today, 1 July 2026

Adjective

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 Daraxonrasib is an oral RAS(ON) multi-selective inhibitor designed to block signaling from both mutant and non-mutant RAS proteins. — Neetika Walter, Interesting Engineering, 1 June 2026 See All Example Sentences for mutant

Recent Examples of Synonyms for mutant

Noun

By reading the mutations stacked up in the tumor’s genome as a kind of clock, researchers estimate the lineage has been dividing and passing from clam to clam for more than two centuries, outlasting countless generations of its hosts.

— John Drake, Forbes.com, 27 July 2026
Some of the mutations the scientists found are obvious adaptations to the sinkhole environment.

— New Atlas, New Atlas, 24 July 2026

Definition of mutation

Adjective

For the 18-year-old, who was diagnosed with the congenital heart condition Wolff-Parkinson-White at 15 years old, the episode wasn’t abnormal.

— Jordan Greene, PEOPLE, 30 July 2026
Follow-up care at the now-familiar UCSF confirmed severe precancerous dysplasia, or abnormal cells that, if left untreated, could develop into cancer.

— Sara Moniuszko, USA Today, 30 July 2026

Definition of abnormal

Noun

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
Along with epilepsy, Benjamin also has cerebral palsy, cortical visual impairment and severe vision impairment caused by underdeveloped optic nerves and malformations in the visual centers of his brain.

— Jordan Greene, PEOPLE, 19 May 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

For additional context, the war against the Locust kicks off only a few weeks after the 79-year conflict between human factions known as the Pendulum Wars, which explains why the COG wasn't in the best of conditions when the monsters attacked.

— Fran Ruiz, Space.com, 2 Aug. 2026
Kuwaki was the clubhouse leader on 5-under-par when Henseleit dropped a monster 40ft putt to birdie the 18th, taking the final major of the year to a sudden-death playoff.

— Caoimhe O'Neill, New York Times, 2 Aug. 2026

Definition of monster

Noun

The system collects readings every 100 milliseconds from roughly 300 sensors on each machine, using time-series anomaly detection and graph neural networks to detect abnormal operating conditions.

— Neetika Walter, Interesting Engineering, 29 July 2026
TFMs, however, are built to properly process numeric and textual data within rows and columns, identify crucial patterns, and manage common data issues like missing values or anomalies.

— Lance Eliot, Forbes.com, 29 July 2026

Definition of anomaly

Adjective

Taking notes from traditional tapestry florals, but this time with a more modern, asymmetrical design, the Lisse wool rug carries an air of sophistication.

— Audrey Lee, Architectural Digest, 30 July 2026
Creating more symmetry A little strategic overlining can also help balance asymmetrical lips.

— Maggie Ryan, Flow Space, 29 July 2026

Definition of asymmetrical

Browse Nearby Words

mutable

mutant

mutants

See all Nearby Words

Cite this Entry

Style

“Mutant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mutant. Accessed 3 Aug. 2026.

Copy Citation

Synonyms of mutant

noun

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on mutant

More from Merriam-Webster

Word of the Day

mitigate

Popular in Grammar & Usage

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?

Popular in Wordplay

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

How long is a jiffy?

Even More Bird Names that Sound Like Insults (and Sometimes Are)

Popular

7 Pairs of Commonly Confused Words

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of

Games & Quizzes