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
Brian T. Allen, National Review, 22 Mar. 2025
Entertainment gossip and news from Newsweek's network of contributors
A guy known for delivering killer monologues is joining the long list of suspects at the Arconia.
—Thomas G. Moukawsher, Newsweek, 22 Mar. 2025
Since hens can’t catch coccidia through mating, Buchholz believes their preference for toms with killer snoods isn’t related to avoiding parasites.
—Alice Jones Webb, Outdoor Life, 21 Mar. 2025
Security Camera Deals The Ring Stick Up Cam Pro is a killer security cam for both indoor and outdoor use.
—Shubham Yewale, PCMAG, 21 Mar. 2025
See All Example Sentences for killer
Noun
Materials for all seasons at the world’s grandest art fair, plus Cleopatra and a killer ship model
The European Fine Art Fair in Maastricht in the Netherlands is the art extravaganza of the year.
—Brian T. Allen, National Review, 22 Mar. 2025
Entertainment gossip and news from Newsweek's network of contributors
A guy known for delivering killer monologues is joining the long list of suspects at the Arconia.
—Thomas G. Moukawsher, Newsweek, 22 Mar. 2025
Since hens can’t catch coccidia through mating, Buchholz believes their preference for toms with killer snoods isn’t related to avoiding parasites.
—Alice Jones Webb, Outdoor Life, 21 Mar. 2025
Security Camera Deals The Ring Stick Up Cam Pro is a killer security cam for both indoor and outdoor use.
—Shubham Yewale, PCMAG, 21 Mar. 2025
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
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Early signs of the disease include fatigue, fever and muscle aches, while half of all HPS patients also go through headaches, dizziness, chills and abdominal pain.—
Ingrid Vasquez,
People.com,
5 Apr. 2025
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Symptoms include depression, disinterest in the job, listlessness, apathy, insomnia, stomach upset, headache and dizziness.—
Bryan Robinson,
Forbes.com,
3 Apr. 2025
Noun
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There will also not be a murderer found until the show’s conclusion, but don’t ask anyone who’s seen the beloved whodunit.—
David John Chávez,
Mercury News,
27 Mar. 2025
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More often, alleged female murderers are reviled or belittled.—
Jean Casarez,
CNN,
25 Mar. 2025
Adjective
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When carboxyhemoglobin saturation exceeds 50%, it is considered lethal.—
CBS News,
CBS News,
3 Apr. 2025
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Astronauts on a mission to Mars lasting several years would be exposed to potentially lethal amounts of radiation, Pitts said.—
Joshua Rhett Miller,
MSNBC Newsweek,
2 Apr. 2025
Adjective
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There are very big match-ups being played week in and week out in what is one of the most difficult leagues to play in on the planet, this means the big contenders will drop points more often than in some other leagues.—
Joseph O'Sullivan,
Forbes.com,
1 Apr. 2025
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Generations of design successors have insisted that pie charts are difficult to read and even amount to optical informatic illusions, but we are still stuck with them.—
Mara Mills,
Artforum,
1 Apr. 2025
Noun
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Focused on Alzheimer’s and other dementia research, the worker is among thousands who abruptly lost their jobs in the Trump administration’s federal workforce purge.—
Primary care physicians,
Hartford Courant,
6 Apr. 2025
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Known for his throwback style, Jones Jr. was an unapologetic supporter of political nepotism and made no bones about helping friends and family get state jobs.—
Jason Meisner,
Chicago Tribune,
6 Apr. 2025
Noun
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And early intensity gave way to a late-game assassin.—
Bennett Durando,
Denver Post,
1 Apr. 2025
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Bruce Glover, the unorthodox actor who portrayed Mr. Wint, the assassin with the distinctive aftershave who partnered with Putter Smith’s Mr. Kidd in the James Bond film Diamonds Are Forever, has died.—
Mike Barnes,
HollywoodReporter,
29 Mar. 2025
Adjective
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However, all this rest and relaxation takes a deadly turn as a cloaked killer enters the premises.—
Rebecca Rubin,
Variety,
1 Apr. 2025
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As fate would have it, the very destructive and deadly wildfires that swept through Los Angeles neighborhoods this year erupted as its city officials were struggling to close a large gap in their budget.—
Dan Walters,
Mercury News,
1 Apr. 2025
Adjective
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Having a terminal diagnosis is challenging but also clarifying.—
Ashley M. Wilcox,
New York Times,
4 Apr. 2025
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Assessing type A skills of collaboration solely from resumes can be challenging.—
Ming-Chien Chyu,
Forbes.com,
4 Apr. 2025
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 13 Apr. 2025.
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