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
Nicole Acosta, PEOPLE, 4 Feb. 2026
Investigators are now looking into the possibility that all four murders were done by the same killer, KABC reported.
—Nadine El-Bawab, ABC News, 4 Feb. 2026
In doing so, the killer helped unshackle dark forces—chief among them anti-Semitism—that now threaten to overtake the conservative movement.
—Yair Rosenberg, The Atlantic, 4 Feb. 2026
Follow along on her journey as Moriarty goes beyond the scene of each crime, behind prison walls, and into the killers' inner thoughts.
—CBS News, 3 Feb. 2026
See All Example Sentences for killer
Noun
The series features new prison interviews with both Adamcik and Draper, rare police interrogation footage, and explores the impact on Cassie’s family and the killers’ parents.
—Nicole Acosta, PEOPLE, 4 Feb. 2026
Investigators are now looking into the possibility that all four murders were done by the same killer, KABC reported.
—Nadine El-Bawab, ABC News, 4 Feb. 2026
In doing so, the killer helped unshackle dark forces—chief among them anti-Semitism—that now threaten to overtake the conservative movement.
—Yair Rosenberg, The Atlantic, 4 Feb. 2026
Follow along on her journey as Moriarty goes beyond the scene of each crime, behind prison walls, and into the killers' inner thoughts.
—CBS News, 3 Feb. 2026
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
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Psyduck, one of the main Pokémon used by Misty in the series, was a water-type who could use powerful psychic moves, but the timing and effectiveness of its abilities was disrupted by its constant headaches.—
Jordan Moreau,
Variety,
9 Feb. 2026
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On the same day Amber Glenn won Olympic gold as part of the team event and stepped away from social media due to backlash over her comments on politics and the LGBTQ+ community, the American figure skater ended up with another headache.—
Dave Skretta,
Chicago Tribune,
9 Feb. 2026
Noun
-
The show’s initial cast, all of whom were writers as well, featured a murderer’s row of comic talent in Candy, Joe Flaherty, Levy, Andrea Martin, O’Hara, Harold Ramis and Dave Thomas; Moranis joined later in the show’s run, as did Martin Short.—
Rick Porter,
HollywoodReporter,
30 Jan. 2026
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On Monday, a jury found Townsend guilty of endangerment and concealing a homicide, but the murderer is still out there.—
Jermont Terry,
CBS News,
28 Jan. 2026
Adjective
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Officers fired less-lethal weapons directly at demonstrators, and several fell to the ground bleeding and unable to move, the complaint alleged.—
Theresa Clift,
Sacbee.com,
4 Feb. 2026
-
Legislators who disagree with Trump executed by lethal injection.—
James D. Zirin,
Washington Post,
3 Feb. 2026
Adjective
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Training and case management through FRAP is supposed to help attorneys deal with what Clegg calls a difficult area of law.—
Raynee Howell,
Oklahoma Watch,
9 Feb. 2026
-
Will this race and the other changes create an opportunity for NASCAR to turn the page on its difficult 2025?—
Jeff Gluck,
New York Times,
9 Feb. 2026
Noun
-
Suffice to say, Macdonald has more than done his job.—
Kyle Feldscher,
CNN Money,
9 Feb. 2026
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At this point in his presidency four years ago, Democrat Joe Biden’s job rating was tumbling.—
Craig Gilbert,
jsonline.com,
9 Feb. 2026
Noun
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One week later, on May 15, assassins forced Valdez, 50, from his car at midday and shot him at least a dozen times in downtown Culiacán, the capital of Sinaloa state.—
Foreign Correspondent,
Los Angeles Times,
7 Feb. 2026
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Duterte's threat in an online news conference in November 2024 to have the president, his wife and House of Representatives speaker killed by an assassin if she were killed amid their disputes was also cited in the one of the impeachment complaints.—
JIM GOMEZ THE ASSOCIATED PRESS,
Arkansas Online,
5 Feb. 2026
Adjective
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Administration public health officials often cite the need to restore trust in public health systems after the coronavirus pandemic, when vaccine policy and the general public health response to the deadly pandemic became a highly polarizing topic in American politics.—
Arkansas Online,
Arkansas Online,
9 Feb. 2026
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The Metropolitan Police Department made another arrest in connection with a deadly 2023 shooting outside a Northeast Washington nightclub that killed former Morgan State University basketball player Blake Bozeman and injured three others.—
7News WJLA,
Baltimore Sun,
9 Feb. 2026
Adjective
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And for Waller, no request is too challenging.—
Kati Chitrakorn,
CNN Money,
4 Feb. 2026
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Hired for the purpose of maintaining continuity after Rick Tocchet’s departure and because of his strong relationship with Quinn Hughes, who has since been traded, Foote’s first opportunity to serve as an NHL bench boss has been a challenging one.—
Thomas Drance,
New York Times,
4 Feb. 2026
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 10 Feb. 2026.
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