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
Jon R. Lindsay, The Conversation, 11 Mar. 2026
What Capote did was remarkable—spending time with the two killers, talking to them in prison, witnessing their execution.
—The New Yorker, New Yorker, 11 Mar. 2026
These bots frequently featured killers’ full names and images, meaning their creators made no attempt to hide their existence from the platform.
—Maggie Harrison Dupré, Futurism, 11 Mar. 2026
Effective homemade weed killers can be made from vinegar, corn gluten meal, or boiling water.
—Lauren Landers, Better Homes & Gardens, 11 Mar. 2026
See All Example Sentences for killer
Noun
Popular ideas of killer robots and drone swarms tend to overstate the autonomy of AI systems and understate the role of human beings.
—Jon R. Lindsay, The Conversation, 11 Mar. 2026
What Capote did was remarkable—spending time with the two killers, talking to them in prison, witnessing their execution.
—The New Yorker, New Yorker, 11 Mar. 2026
These bots frequently featured killers’ full names and images, meaning their creators made no attempt to hide their existence from the platform.
—Maggie Harrison Dupré, Futurism, 11 Mar. 2026
Effective homemade weed killers can be made from vinegar, corn gluten meal, or boiling water.
—Lauren Landers, Better Homes & Gardens, 11 Mar. 2026
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
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Finn was experiencing headaches and nausea, which led to an emergency room visit and a sudden diagnosis.—
Jori Parys,
CBS News,
8 Mar. 2026
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Symptoms can include fever, headache, facial swelling, malaise and swelling of the salivary glands.—
Caelyn Pender,
Mercury News,
8 Mar. 2026
Noun
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These countries must make their duty clear to the invaders of our beloved homeland and the murderers of our people.—
Haley Ott,
CBS News,
12 Mar. 2026
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The closing sequence, where Scarpetta is chased through her home by the murderer, was filmed on the final day of shooting.—
Emily Zemler,
Los Angeles Times,
11 Mar. 2026
Adjective
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Boyd could not characterize the size of the knife or say whether officers had attempted less-lethal options before opening fire, though they are trained to do so depending on the incident.—
Daniel Hunt,
Sacbee.com,
11 Mar. 2026
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Lambda-cyhalothrin, which starves insects and is lethal to honeybees, was found on cherries, nectarines, peaches, plums, lettuce and broccoli.—
Sandee LaMotte,
CNN Money,
11 Mar. 2026
Adjective
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Anyone who has seen the way the space works today can recognize that there are a lot of families who find this very, very difficult right now.—
Anna Moeslein,
Glamour,
9 Mar. 2026
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Demonstrating that was difficult due to natural fluctuations in temperatures.—
Los Angeles Times,
Los Angeles Times,
9 Mar. 2026
Noun
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Provost has pledged to use those lessons learned, with labor unions awaiting details as to whether this will have implications for jobs in France.—
Albertina Torsoli,
Bloomberg,
9 Mar. 2026
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As of December 2025, the Bureau of Labor Statistics has reported over 400,000 job openings.—
Atharva Gosavi,
Interesting Engineering,
9 Mar. 2026
Noun
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Soon, Cooper, Jordan and their reluctant new associates, Byron’s assassins Antonio (Anthony Ramos) and Jeremy (Jeremy Pope), find themselves in the crosshairs of a brewing war within the Forst family.—
Hunter Ingram,
Variety,
5 Mar. 2026
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Minnesota just had two lawmakers and their spouses shot by a political assassin.—
Drake Bentley,
jsonline.com,
3 Mar. 2026
Adjective
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Dan Morrison Eleven different countries have asked Ukraine for help in countering Iran's deadly Shahed drones, with request for interceptors, electronic warfare systems and training, Ukrainian Presiden Volodymyr Zelenskyy said Monday.—
Thao Nguyen,
USA Today,
10 Mar. 2026
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Yet Aster diagnoses them, and everyone else, with a deadly case of social media brain rot.—
Amy Nicholson,
Los Angeles Times,
10 Mar. 2026
Adjective
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The still-to-close merger, announced on social media Tuesday, will maintain separate brands while sharing brewing facilities and other resources, helping both companies navigate a challenging craft beer industry and explore new opportunities for growth.—
Robert Channick,
Chicago Tribune,
11 Mar. 2026
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This means 26 wines, which has proven a challenging but really fun experience.—
Laura Ness,
Mercury News,
11 Mar. 2026
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 14 Mar. 2026.
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