1
as in headache
a dull, unpleasant, or difficult piece of work
weeding out that overgrown garden is going to be a killer
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in murderer
a person who kills another person
gunned down by hired killers
Synonyms & Similar Words
1
as in lethal
likely to cause or capable of causing death
killer viruses that claimed millions of lives
Synonyms & Similar Words
Antonyms & Near Antonyms
2
as in difficult
requiring considerable physical or mental effort
a killer exercise program guaranteed to whip you into shape
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of killer
Paula L. Woods, Los Angeles Times, 19 Mar. 2026
At that point, HBM’s killer feature of extreme local bandwidth gets strangled by the comparatively slow links connecting all of these machines.
—Sha Rabii, Fortune, 19 Mar. 2026
At one point, a private investigator (not a cop) explains why the killer has to be a certain height, and then the show keeps hinting at suspects who don’t fit the description.
—Ben Travers, IndieWire, 18 Mar. 2026
As Ben, Aleksander D’Avignon has the icy-cool, narcissistic demeanor of a serial killer.
—Pam Kragen, San Diego Union-Tribune, 18 Mar. 2026
See All Example Sentences for killer
Noun
Thus begins an intense romp through New York’s finest restaurants when Bernice — who realizes the NYPD doesn’t know their aspics from a hole in the ground — decides to get the scoop of the decade by finding Tirel’s killer herself.
—Paula L. Woods, Los Angeles Times, 19 Mar. 2026
At that point, HBM’s killer feature of extreme local bandwidth gets strangled by the comparatively slow links connecting all of these machines.
—Sha Rabii, Fortune, 19 Mar. 2026
At one point, a private investigator (not a cop) explains why the killer has to be a certain height, and then the show keeps hinting at suspects who don’t fit the description.
—Ben Travers, IndieWire, 18 Mar. 2026
As Ben, Aleksander D’Avignon has the icy-cool, narcissistic demeanor of a serial killer.
—Pam Kragen, San Diego Union-Tribune, 18 Mar. 2026
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
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Raise massive capital, hire hundreds of people, build a sprawling department for every operational headache — from VAT compliance in Marseille to sourcing logistics in Shenzhen.—
Kuo Zhang,
Fortune,
23 Mar. 2026
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However, despite Roy often being a headache for House GOP leadership, many MAGA Republicans still recognize Roy as a conservative fighter.—
Lauren Green,
The Washington Examiner,
22 Mar. 2026
Noun
-
Erdrich cares for them all; her enormous heart has room for all aspects of creation, all creatures great and small, from the mother to the murderer.—
Literary Hub,
Literary Hub,
19 Mar. 2026
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Over the years, Timothy Taylor NYC, which first opened in 2016 in Chelsea and later moved its operations to TriBeCa, has played host to shows for a murderer’s row of artists that includes Alex Katz, Marina Adams, Michel Pérez Pollo, Daniel Crews-Chubb, Chris Martin, and Armen Eloyan.—
News Desk,
Artforum,
18 Mar. 2026
Adjective
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Her government is to scrap a lethal arms exports ban in the coming weeks to promote Japan's defense industry and cooperation with the United States and other friendly nations.—
Arkansas Online,
Arkansas Online,
19 Mar. 2026
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The Air Force now aims to translate those lessons into a portable, lethal system.—
Aamir Khollam,
Interesting Engineering,
19 Mar. 2026
Adjective
-
The most difficult piece of the puzzle?—
Mrigakshi Dixit,
Interesting Engineering,
23 Mar. 2026
-
But studying those relationships is difficult, due to the challenges in actually observing social interactions in the shark world.—
BRADY DENNIS THE WASHINGTON POST,
Arkansas Online,
22 Mar. 2026
Noun
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Meanwhile Angie is class president, has won a full scholarship to college, stars in the school musicals, has two jobs; no drugs, alcohol or smoking.—
R. Eric Thomas,
Washington Post,
23 Mar. 2026
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That includes donations from the labor union for air traffic controllers, whose jobs are not impacted by this partial shutdown but who understand the strain of working without pay from full government closures.—
Arkansas Online,
Arkansas Online,
23 Mar. 2026
Noun
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On paper, Gosling’s turn as a CIA operative named Six who is entrusted with protecting a tween girl from an unhinged assassin should be, if not amazing, at least watchable.—
Roxana Hadadi,
Vulture,
20 Mar. 2026
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McDonagh’s skill at crisp dialogue and character in his movies is evident in the opening scene for the teaser trailer where Chris boasts of his body count as an assassin worldwide, which has Lee warning against talk of killing people on an airplane.—
Etan Vlessing,
HollywoodReporter,
19 Mar. 2026
Adjective
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The death toll was nearly double that of the previous figure given by authorities, who continued search and recovery efforts at the site of the deadly crash.—
Luis Jaime Acosta,
USA Today,
24 Mar. 2026
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An 18-year-old woman from Kansas City is dead following a deadly crash in rural Platte County early Sunday morning.—
Caroline Zimmerman,
Kansas City Star,
24 Mar. 2026
Adjective
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In his 12 seasons, the Mustangs have played a challenging independent schedule featuring many Class 3A and 4A programs.—
Rick Armstrong,
Chicago Tribune,
19 Mar. 2026
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This challenging late-season stretch comes with the Heat trying to avoid the play-in tournament for the first time in four years.—
Anthony Chiang,
Miami Herald,
18 Mar. 2026
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 24 Mar. 2026.
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