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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as in abnormal
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Example Sentences
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Recent Examples of mutant
Nell Greenfieldboyce, NPR, 5 Nov. 2025
These are nature’s real-life mutants, each reminding us that evolution is the most creative engineer of all.
—Kaif Shaikh, Interesting Engineering, 17 Oct. 2025
Wesley Stenzel, Entertainment Weekly, 9 Jan. 2026
Professors Melissa Harrison and Peter Lewis used fruit flies to to study how cellular pathways are misregulated by a cancer-causing mutant protein.
—Kelly Meyerhofer, jsonline.com, 7 Jan. 2026
See All Example Sentences for mutant
Noun
One study of yellow mutants of three deciduous species, for example, found that more nitrogen was left behind in their yellow leaves than in the normal red leaves.
—Nell Greenfieldboyce, NPR, 5 Nov. 2025
These are nature’s real-life mutants, each reminding us that evolution is the most creative engineer of all.
—Kaif Shaikh, Interesting Engineering, 17 Oct. 2025
Adjective
Patrick Stewart, Ian McKellen, Rebecca Romijn, Alan Cumming, James Marsden, Kelsey Grammer, and Channing Tatum are among the stars reprising their mutant roles from various X-Men projects.
—Wesley Stenzel, Entertainment Weekly, 9 Jan. 2026
Professors Melissa Harrison and Peter Lewis used fruit flies to to study how cellular pathways are misregulated by a cancer-causing mutant protein.
—Kelly Meyerhofer, jsonline.com, 7 Jan. 2026
See All Example Sentences for mutant
Recent Examples of Synonyms for mutant
Noun
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Many earlier drives failed because target organisms developed mutations, thus preventing CRISPR cutting.—
Srishti Gupta,
Interesting Engineering,
27 Feb. 2026
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That path is built for one child and one mutation, by one desperate family at a time.—
Judy Stecker,
STAT,
27 Feb. 2026
Adjective
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Other types included in the new report are heart failure, when the heart struggles to fill with and pump blood; atrial fibrillation, a type of abnormal heart rhythm; and stroke.—
Barbara Mantel,
NBC news,
25 Feb. 2026
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Chronic overconsumption and inactivity lead to excess body fat (especially in the abdominal region), resulting in insulin resistance, high blood pressure, abnormal cholesterol and early kidney dysfunction.—
Jia Shen,
San Diego Union-Tribune,
25 Feb. 2026
Noun
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Doctors eventually determined his seizure was caused by a brain arteriovenous malformation, a dangerous tangle of blood vessels that disrupts normal blood flow.—
Karen Kucher,
San Diego Union-Tribune,
20 Dec. 2025
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Birds can have beak abnormalities for a number of reasons, including physical trauma, poor nutrition, exposure to pesticides and other contaminants, disease and infection, and congenital malformation.—
Joan Morris,
Mercury News,
15 Dec. 2025
Adjective
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Hedda’s aberrant behavior now has the power to provoke an F-bomb, though the period of Barry Edelstein’s production at the Old Globe hasn’t otherwise been radically updated.—
Theater Critic,
Los Angeles Times,
25 Feb. 2026
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More recently, though, he’s been following through, no matter how aberrant his ideas.—
David A. Graham,
The Atlantic,
20 Jan. 2026
Noun
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The Longhorns took the lead on a monster 466-foot shot to left field by Aiden Robbins, who plunked his shot off the train stationed high above the left field wall at Daikin Park.—
David Eckert,
Austin American Statesman,
28 Feb. 2026
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Her feelings transformed her to become a monster, an inhuman creature.—
Destiny Jackson,
Deadline,
27 Feb. 2026
Adjective
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There are a few other freakish laugh-out-loud moments, although there are also times when the metaphor Bergholm keeps hammering into our skulls becomes repetitive.—
Jordan Mintzer,
HollywoodReporter,
14 Feb. 2026
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Darnell Washington has showed off some freakish athleticism playing tight end at 311 pounds.—
Matt Zahn,
CBS News,
21 Nov. 2025
Noun
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The program has made other discoveries related to such exceptionally healthy older brains, from personality traits to neurological anomalies.—
Lindsey Leake,
NBC news,
26 Feb. 2026
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Was that just an anomaly or a sign of future positive movement?—
Matt Richardson,
CBS News,
26 Feb. 2026
Adjective
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Viewed another way, the deal is the latest installment in the ongoing, if asymmetric, power struggle between the executive and legislative branches.—
Jon Allsop,
New Yorker,
26 Feb. 2026
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The expansion of the humanitarian system was untidy and asymmetric, driven by the organizational self-interest of the bigger international NGOs and UN agencies involved in crisis response and their desire for greater market share.—
Time,
Time,
26 Feb. 2026
Cite this Entry
“Mutant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mutant. Accessed 4 Mar. 2026.
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