1
as in lethal
likely to cause or capable of causing death
the doctors were alarmed about the outbreak of the deadly new virus
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in sheer
having no exceptions or restrictions
the deadly tedium of waiting for the fog to lift
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in mortal
of, relating to, or suggestive of death
a deadly pallor spread across her face as the tragic news gradually sank in
Synonyms & Similar Words
Antonyms & Near Antonyms
as in extremely
to a great degree
I'm deadly serious about making an offer on the house
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of deadly
Hatim Sharif, The Conversation, 5 July 2025
Andy, once a centuries-old immortal who has now lost her healing powers, must race across continents to recover her magic, all the while facing deadly mercenaries and ancient evils.
—Travis Bean, Forbes.com, 4 July 2025
Jessie Yeung, CNN Money, 16 May 2025
In Oklahoma, people braced for more rain after a deluge turned deadly earlier in the weekend.
—Emily Mae Czachor, CBS News, 20 Apr. 2025
See All Example Sentences for deadly
Adjective
In many arid areas, dry or shallow creeks can quickly fill up with fast-moving water and become deadly.
—Hatim Sharif, The Conversation, 5 July 2025
Andy, once a centuries-old immortal who has now lost her healing powers, must race across continents to recover her magic, all the while facing deadly mercenaries and ancient evils.
—Travis Bean, Forbes.com, 4 July 2025
Adverb
Over the years, anti-affirmative action protests have broken out, some turning deadly – with these groups accusing the government of reverse discrimination, echoing similar controversies in the United States about race-conscious college admissions and job hiring.
—Jessie Yeung, CNN Money, 16 May 2025
In Oklahoma, people braced for more rain after a deluge turned deadly earlier in the weekend.
—Emily Mae Czachor, CBS News, 20 Apr. 2025
See All Example Sentences for deadly
Recent Examples of Synonyms for deadly
Adjective
-
Police said less lethal munitions were deployed by federal authorities.—
Jenna Sundel
Gabe Whisnant,
MSNBC Newsweek,
5 July 2025
-
An attempt to execute an inmate by lethal injection in February 2024 was called off after prison staff failed to properly attach IV lines.—
NBC News,
NBC news,
2 July 2025
Adjective
-
Some may prove useful in the long run and others illusory, but for now they are statistically swamped by the sheer amount of renewable power coming online.—
Bill McKibben,
New Yorker,
9 July 2025
-
The sheer variety of equipment, the pace of change and rising customer demands call for something better: a knowledge capture process that’s baked into the daily workflow.—
Thomas Cottereau,
Forbes.com,
9 July 2025
Adjective
-
The movie follows the adventures of rebellious young boy, Ne Zha, who is feared by the gods having been born to mortal parents with wild, uncontrolled powers.—
Melanie Goodfellow,
Deadline,
9 July 2025
-
Populated by roaming blond sausage dogs, ghosts, and several complex mortal humans, Julius Julius satirizes the world of advertising via an ancient company known as Julius Julius, narrated by three different employees in three different eras.—
Hazlitt,
Hazlitt,
9 July 2025
Adverb
-
Her long, dark hair was messily waved, hanging past her shoulders like a shawl, while her eyebrows were shaved extremely thin, leaving little room for any expression other than a sly smile.—
Kaleigh Werner,
Footwear News,
1 July 2025
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While both the House and Senate bills proposed language that was extremely harmful to the pass-through entity community, the final Senate bill passed made significant modifications that will encourage continued investments via pass through entities.—
Lynn Mucenski Keck,
Forbes.com,
1 July 2025
Adjective
-
Most had gone to sleep by the time of the fatal brawl.—
Emma Seiwell,
New York Daily News,
5 July 2025
-
An attack in Boulder, Colorado, in June and the fatal shooting of two Israeli embassy employees in Washington, D.C., in May, are two recent incidents of anti-Jewish violence that have rocked communities in the U.S. Advertisement Read More: The Rise of Antisemitism and Political Violence in the U.S.—
Rebecca Schneid,
Time,
5 July 2025
Adjective
-
Chara appeared in court in London on June 18, and was granted unconditional bail until his next hearing on Aug. 20, meaning that the group could still play at Glastonbury.—
Ellise Shafer,
Variety,
28 June 2025
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The report comes a day after the European Council called for an immediate ceasefire in Gaza, unconditional release of all hostages, and a permanent end to all hostilities.—
Mandy Taheri,
MSNBC Newsweek,
28 June 2025
Adjective
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Jackson reportedly last checked in with dispatch on June 7 and was eventually found dead by rangers eight days later on June 15 in a camping tent on the Duck Hole trail, which is located in the Adirondack High Peaks, according to the Adirondack Explorer.—
Kimberlee Speakman,
People.com,
12 July 2025
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Since the assassination attempt on Trump that left the 50-year-old father dead, the Comperatore family has grappled with lingering and unanswered questions about what led to Comperatore’s death that day.—
Audrey Conklin,
FOXNews.com,
12 July 2025
Adverb
-
The tape is incredibly sticky and comes with easy-to-follow directions for styling different necklines and silhouettes.—
Malia Griggs,
Glamour,
7 July 2025
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This framing of the three races proved incredibly influential in fantasy fiction, with Tolkien’s work providing a solid foundation for many, many stories to come.—
Dani Di Placido,
Forbes.com,
7 July 2025
Cite this Entry
“Deadly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deadly. Accessed 16 Jul. 2025.
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