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
Relevance
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
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 deadly
Jenna Sundel, MSNBC Newsweek, 12 June 2025
While people who have had measles gain immunity, there can be risks and deadly consequences.
—Joseph States, Chicago Tribune, 12 June 2025
Bryan Toporek, Forbes.com, 9 May 2025
Another day of extreme weather is unfolding in the United States on Wednesday after violent storms roared through more than a dozen states on Tuesday and turned deadly, bringing hurricane-strength wind gusts, massive hail and tornadoes.
—Taylor Romine, CNN Money, 30 Apr. 2025
See All Example Sentences for deadly
Adjective
The Los Angeles Police Department charged him with assault with a deadly weapon the next day after the rapper allegedly entered the wrong home while looking for his girlfriend and swung a hatchet at two people.
—Jenna Sundel, MSNBC Newsweek, 12 June 2025
While people who have had measles gain immunity, there can be risks and deadly consequences.
—Joseph States, Chicago Tribune, 12 June 2025
Adverb
However, Porziņģis' size and long-range shooting ability are the skeleton key that makes Boston's 5-out offense so deadly.
—Bryan Toporek, Forbes.com, 9 May 2025
Another day of extreme weather is unfolding in the United States on Wednesday after violent storms roared through more than a dozen states on Tuesday and turned deadly, bringing hurricane-strength wind gusts, massive hail and tornadoes.
—Taylor Romine, CNN Money, 30 Apr. 2025
See All Example Sentences for deadly
Recent Examples of Synonyms for deadly
Adjective
-
But after autopsy results from the last inmate killed by that method showed that the bullets from the three volunteers nearly missed his heart, Stanko chose lethal injection.—
Arkansas Online,
Arkansas Online,
14 June 2025
-
Now 20 years later, Stanko is set to be executed by lethal injection in South Carolina on Friday, June 13, in what will be the nation's 23rd execution of the year and the fourth this week alone.—
Amanda Lee Myers,
USA Today,
14 June 2025
Adjective
-
Nevertheless, the analysts flagged the sheer volume and tone of the content as a genuine officer safety concern.—
Dell Cameron,
Wired News,
13 June 2025
-
The difference, however, was in the sheer volume of players who left on a temporary basis.—
Gregg Evans,
New York Times,
13 June 2025
Adjective
-
Ultimately, chaos seems to be the only certainty should Abbas shuffle off his mortal coil.—
Sean Durns,
The Washington Examiner,
6 June 2025
-
Most of it doesn’t entail a mortal risk to a hundred and fifty people for the sake of a television comedy program.—
Gideon Lewis-Kraus,
New Yorker,
25 May 2025
Adverb
-
No vaccine is perfect, the experts said, but the risk with the Covid vaccine is extremely small and the problems like a sore arm or a low-grade fever that some of his patients have experienced resolved quickly.—
Jen Christensen,
CNN Money,
7 June 2025
-
City’s academy has been extremely productive in recent years, with Phil Foden the shining light, but Rico Lewis, James McAtee, Oscar Bobb and O’Reilly are all now established squad players.—
Jordan Campbell,
New York Times,
7 June 2025
Adjective
-
Selling bitcoin volatility into a bull market could prove fatal.—
Alexander S. Blume,
Forbes.com,
10 June 2025
-
Here's what to know about the rare, but often fatal, disease.—
Mary Kekatos,
ABC News,
9 June 2025
Adjective
-
The draft Security Council resolution had also demanded the immediate and unconditional release of all hostages held by Hamas and others.—
Michelle Nichols,
USA Today,
5 June 2025
-
Todd and Julie Chrisley returned home from prison on Wednesday, May 28, after President Donald Trump issued them full and unconditional pardons.—
Madison E. Goldberg,
People.com,
31 May 2025
Adjective
-
Emergency responders performed life-saving measures before he was pronounced dead, Allard said.—
Staff report,
Hartford Courant,
7 June 2025
-
The female passenger — who has not been identified by the Placer County Sheriff’s Office coroner division — was pronounced dead at the scene.—
Sacbee.com,
Sacbee.com,
6 June 2025
Adverb
-
After four successful seasons of Godfather of Harlem — a true cultural phenomenon — moving into producing and creating new shows with him felt incredibly natural and organic.—
Tony Maglio,
HollywoodReporter,
13 June 2025
-
One dog’s late-night cravings led him on a five-mile (incredibly relatable) journey.—
Rachel McRady,
People.com,
13 June 2025
Cite this Entry
“Deadly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deadly. Accessed 18 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share