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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Example Sentences
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Recent Examples of killer
Kori Rumore, Chicago Tribune, 26 June 2025
The killer was seen on the footage wiping his face with a T-shirt that became a point of contention during Ibar’s trial.
—Grethel Aguila, Miami Herald, 26 June 2025
Police said the plan may have stemmed from a breakup between the girls’ unidentified target and at least one of his would-be killers.
—Brian Niemietz, New York Daily News, 25 June 2025
The series will look into the mind of the twisted killer, who was among the inspirations behind Psycho, The Texas Chainsaw Massacre and The Silence of the Lambs.
—Jesse Whittock, Deadline, 16 June 2025
See All Example Sentences for killer
Noun
Prosecutors said Weger knew things only the killer could have known, such as the fact that a red-and-white airplane flew over the canyon the day of the murders.
—Kori Rumore, Chicago Tribune, 26 June 2025
The killer was seen on the footage wiping his face with a T-shirt that became a point of contention during Ibar’s trial.
—Grethel Aguila, Miami Herald, 26 June 2025
Police said the plan may have stemmed from a breakup between the girls’ unidentified target and at least one of his would-be killers.
—Brian Niemietz, New York Daily News, 25 June 2025
The series will look into the mind of the twisted killer, who was among the inspirations behind Psycho, The Texas Chainsaw Massacre and The Silence of the Lambs.
—Jesse Whittock, Deadline, 16 June 2025
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
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The variant has similar symptoms to other strains, including fever or chills, cough, shortness of breath or difficulty breathing, sore throat, congestion or a runny nose, new loss of taste or smell, fatigue, muscle or body aches, headache, nausea or vomiting.—
Mary Walrath-Holdridge,
USA Today,
28 June 2025
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These included headaches, hand pain, forearm pain, nerve damage in his left elbow, fatigue, decreased stamina and erectile dysfunction, according to the lawsuit.—
Justin Muszynski,
Hartford Courant,
27 June 2025
Noun
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Released in the height of the true crime-craze, real-life murders and murderers were depicted, including Charles Manson and David Berkowitz.—
Rance Collins,
IndieWire,
21 June 2025
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Tony Crane, who plays JJ’s estranged father/murderer Chandler Groff, and Cullen Moss, who plays Sheriff Victor Shoupe, have been upped to series regular for Season 5, TVLine has learned.—
Kimberly Roots,
TVLine,
20 June 2025
Adjective
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Richard Gerald Jordan, a 79-year-old Vietnam veteran with PTSD, received a lethal injection at the Mississippi State Penitentiary in Parchman.—
Louis Casiano,
FOXNews.com,
25 June 2025
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Advertisement Build a Check-In Culture Loneliness can be lethal during a heatwave.—
Kathy Baughman McLeod,
Time,
24 June 2025
Adjective
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This moderately difficult, half-mile trail through the Mission Hills Open Space, is located across from Pioneer Park.—
Maura Fox,
San Diego Union-Tribune,
23 June 2025
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Attorney Nicole Blank Becker, who represents R. Kelly, told Fox News Digital that jurors, just like anyone else, have a difficult time separating emotions from charges.—
Tracy Wright , Lauryn Overhultz,
FOXNews.com,
23 June 2025
Noun
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The letter said that the Senate’s version of the bill would cut more than $4 billion in Medicaid funding, with a loss of more than 16,000 jobs.—
Miriam Waldvogel,
The Hill,
29 June 2025
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Each job brought a new environment with different obstacles and new problems to solve.—
Sebastian Stafford-Bloor,
New York Times,
29 June 2025
Noun
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In the twilight of her career, Parker still showed flashes of the once baby-haired assassin who shook up the WNBA.—
Anthony De Leon,
Los Angeles Times,
29 June 2025
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The Day of the Jackal follows a professional British assassin called the Jackal (Eddie Redmayne), known only for his ruthless and mysterious methods, and Bianca Pullman (Lashana Lynch), an MI6 agent intent on hunting him down.—
Ryan Fleming,
Deadline,
19 June 2025
Adjective
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Since Israel launched its Gaza offensive in the wake of Hamas' deadly October 2023 attack, the country has faced war crimes accusations from United Nations officials and human rights groups.—
Micah McCartney,
MSNBC Newsweek,
24 June 2025
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Days before Trump ordered the drone strike that killed him, Soleimani had orchestrated a deadly attack on a U.S. base in Iraq.—
Michael Ruiz,
FOXNews.com,
24 June 2025
Adjective
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All of these factors combine to make AI adoption incredibly challenging, expensive and time-consuming.—
Dave Friend,
Forbes.com,
27 June 2025
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As such, piloting an FPV drone is a completely different, entirely more challenging kettle of fish than piloting a standard camera drone.—
Sam Kieldsen,
Wired News,
27 June 2025
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 5 Jul. 2025.
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