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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of killer
Pamela McClintock, HollywoodReporter, 17 Oct. 2025
The convention center has been the top killer of birds in downtown Dallas among the 129 buildings that volunteers have monitored in the last few years, says Mei Ling Liu, community conservation director with the Texas Conservation Alliance.
—NPR, 17 Oct. 2025
Boldy has expanded his role over the past year, becoming a key penalty killer.
—Joe Smith, New York Times, 17 Oct. 2025
Muhammad Arsalan plays the killer, with Mustafa Rizvi and Anjum Habibi starring as SI Naveed and Constable Arshad, respectively.
—Naman Ramachandran, Variety, 16 Oct. 2025
See All Example Sentences for killer
Noun
The horror-thriller, starring Ethan Hawke as the serial killer known as Grabber, turned into a sleeper hit when amassing more than $161 million in worldwide ticket sales (that, however, was before horror fatigue struck at the box office).
—Pamela McClintock, HollywoodReporter, 17 Oct. 2025
The convention center has been the top killer of birds in downtown Dallas among the 129 buildings that volunteers have monitored in the last few years, says Mei Ling Liu, community conservation director with the Texas Conservation Alliance.
—NPR, 17 Oct. 2025
Boldy has expanded his role over the past year, becoming a key penalty killer.
—Joe Smith, New York Times, 17 Oct. 2025
Muhammad Arsalan plays the killer, with Mustafa Rizvi and Anjum Habibi starring as SI Naveed and Constable Arshad, respectively.
—Naman Ramachandran, Variety, 16 Oct. 2025
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
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Other symptoms may include headache, muscle pain, joint swelling, or rash.—
Greg Norman,
FOXNews.com,
15 Oct. 2025
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But just one week later, on June 1, 2019, a splitting headache and blurred vision sent her racing back to the hospital.—
Jordan Greene,
PEOPLE,
14 Oct. 2025
Noun
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The film centers on a pair of detectives hunting a serial murderer in Rawalpindi, Pakistan.—
Naman Ramachandran,
Variety,
16 Oct. 2025
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That’s when his son, Micah Avni, had to watch his father’s murderer go free.—
Matt Bradley,
NBC news,
16 Oct. 2025
Adjective
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McIlroy’s driver is typically his most lethal weapon.—
Devlina Sarkar,
MSNBC Newsweek,
17 Oct. 2025
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Less than a month later, Skaggs died alone in a hotel room in Southlake, Texas, at the beginning of an Angels road trip of what was later determined to be a lethal combination of fentanyl, oxycodone and alcohol.—
Sean Emery,
Oc Register,
16 Oct. 2025
Adjective
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These events encourage community members to dispose of hazardous materials like gasoline, oil, chemicals, and more, which can be difficult to dispose of and pose a safety risk if not handled correctly.—
Kamron Sanders,
Better Homes & Gardens,
19 Oct. 2025
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Don't Look Now manipulates audiences' minds, mixing elements of the occult with the overwhelming need for hope into a plot twist audiences will find difficult to swallow.—
Steven Thrash,
Entertainment Weekly,
19 Oct. 2025
Noun
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All of which begs the question, can—and should—Europe use the once-in-a-generation opportunity presented by decarbonization to reboot its own renewables supply chain, creating green jobs and sustainable wealth for the future?—
Andrew Saunders,
Fortune,
15 Oct. 2025
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After graduating from high school in 1971, Silvana Clark enrolled at a community college after receiving guidance from her drama teacher, George Meshke, who had taken a job there.—
NPR,
NPR,
14 Oct. 2025
Noun
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Wahlberg, 54, reprises his role as suburban dad and car salesman Dan Morgan, whose family now knows about his past life as an assassin.—
Tommy McArdle,
PEOPLE,
14 Oct. 2025
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Bucky Irving, Mike Evans, Chris Godwin, Egbuka’s out of the game… this guy is an assassin, man.—
Cole Sullivan,
MSNBC Newsweek,
13 Oct. 2025
Adjective
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Islamabad — Tensions between Afghanistan and Pakistan have flared in recent days with the exchange of deadly gunfire between the neighbors that has stoked fears of a wider conflict.—
Lex Harvey,
CNN Money,
15 Oct. 2025
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That to-and-fro could be seen in the Taliban's response to the deadly earthquake, which was most devastating in the isolated mountains of the eastern Kunar province in late August.—
NPR,
NPR,
14 Oct. 2025
Adjective
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The mother of five admitted that being away from her family for long periods of time was challenging, but the sacrifice was necessary for Jordan’s athletic development.—
Nasha Smith,
PEOPLE,
14 Oct. 2025
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The second, more challenging phase — aimed at dismantling Hamas and deciding Gaza’s future leadership — has yet to be negotiated.—
Alexandra Banner,
CNN Money,
14 Oct. 2025
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 21 Oct. 2025.
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