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
Kassia Bonesteel, CBS News, 10 June 2026
Grimmie's brother Marcus tackled Loibl, but the killer got away and fatally shot himself.
—Caroline Blair, PEOPLE, 10 June 2026
Carmen Electra makes her third franchise appearance as a bartender who serves the frustrated star, who, like Weaving, has a combative spat with a mystery caller who turns out to be, naturally, the Ghostface killer.
—Ryan Coleman, Entertainment Weekly, 10 June 2026
The public reaction to Karmelo Anthony's guilty verdict on Tuesday is garnering a shock wave of responses online; people are either supporting the jury's decision or criticizing it, in support of Austin Metcalf's killer.
—Kelsie Cairns, FOXNews.com, 10 June 2026
See All Example Sentences for killer
Noun
Police in San Francisco are seeking the public's help in multiple cold case murders from the mid-1970s that may involve a serial killer, and are offering a reward for identifying who is responsible.
—Kassia Bonesteel, CBS News, 10 June 2026
Grimmie's brother Marcus tackled Loibl, but the killer got away and fatally shot himself.
—Caroline Blair, PEOPLE, 10 June 2026
Carmen Electra makes her third franchise appearance as a bartender who serves the frustrated star, who, like Weaving, has a combative spat with a mystery caller who turns out to be, naturally, the Ghostface killer.
—Ryan Coleman, Entertainment Weekly, 10 June 2026
The public reaction to Karmelo Anthony's guilty verdict on Tuesday is garnering a shock wave of responses online; people are either supporting the jury's decision or criticizing it, in support of Austin Metcalf's killer.
—Kelsie Cairns, FOXNews.com, 10 June 2026
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
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This first patient had fever, headaches, muscle pain, malaise, loss of appetite, diarrhea and abdominal pain, among other symptoms.—
Karen Garcia,
Los Angeles Times,
16 June 2026
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Earlier this year, Patagonia sued a drag queen and environmental activist performing under the name Pattie Gonia in a trademark dispute, and the feud is quickly becoming a PR headache for the eco-friendly apparel brand.—
Phil Wahba,
Fortune,
15 June 2026
Noun
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Any justice in the community would praise this murderer’s row of craftspeople working on the production design for the period town setting; makeup, especially Pennywise’s horrible face; sound design, for helping to keep the audio terrors churning along; and the costume work.—
William Earl,
Variety,
11 June 2026
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That year, even major characters and first-person narrators wound up dead, killed by strangers or friends or family members, often by parents, or serial murderers, or in accidents, usually right at the end at the story, no warning.—
Literary Hub,
Literary Hub,
10 June 2026
Adjective
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Three Lions are led by the most lethal striker in the game Harry Kane.—
Scott M. Reid,
Oc Register,
10 June 2026
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Idaho has not executed a prisoner in 14 years, last carrying out the death penalty by lethal injection in June 2012.—
Kevin Fixler,
Idaho Statesman,
10 June 2026
Adjective
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The verdict was delivered amid difficult personal circumstances for Mette-Marit, Hoiby’s mother, who needs a lung transplant for pulmonary fibrosis.—
Reuters,
CNN Money,
15 June 2026
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Otherwise, those prospects start becoming large contracts that stand more difficult to move or aggregate.—
Ira Winderman,
Sun Sentinel,
14 June 2026
Noun
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Wedding tents have multiple jobs during a celebration.—
Shelby Wax,
Vogue,
15 June 2026
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Thank you to the local authorities for being so professional and doing their job with class.—
Christina Dugan Ramirez,
FOXNews.com,
14 June 2026
Noun
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At this point in the story, Chihiro was at the top of a Kyoto hotel, protecting a high-school girl named Iori from a sorcerer-assassin named Hiruhiko.—
Matt Alt,
New Yorker,
25 Aug. 2025
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Crowe is now the face of the Nutria Rodeo, serving as ambassador, hostess, emcee, and hired assassin.—
Nathaniel Rich,
Harpers Magazine,
20 Aug. 2025
Adjective
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Other fatal skydiving crashes in Missouri Sunday’s crash was at least the fourth deadly skydiving incident in Missouri since 1998.—
Ben Wheeler,
Kansas City Star,
16 June 2026
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After personally looking over the wreckage of the deadliest skydiving plane crash of the decade on a bright June day, Jennifer Homendy with the National Transportation Safety Board said things must change.—
Alexandra Skores,
CNN Money,
15 June 2026
Adjective
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Inmates challenging execution methods must suggest an alternative method.—
Landon Mion,
FOXNews.com,
10 June 2026
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Cognitive skills generally improve with deliberate, focused and progressively more challenging training.—
Supreet Kaur,
Scientific American,
10 June 2026
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 17 Jun. 2026.
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