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
Jordana Comiter, PEOPLE, 20 Sep. 2025
The Ducks acquired Mikael Granlund, a versatile forward with experience at center; Chris Kreider, a former 50-goal scorer on the wing; and pivot Ryan Poehling, a penalty killer who can add scoring punch to the bottom six as well.
—Andrew Knoll, Oc Register, 19 Sep. 2025
Mangione was arrested in a Pennsylvania McDonald's following a search for Thompson's killer.
—Marni Rose McFall, MSNBC Newsweek, 19 Sep. 2025
The case has taken a significant mental toll on the investigators trying to find the killer of three young girls.
—Holly Yan, CNN Money, 19 Sep. 2025
See All Example Sentences for killer
Noun
Season 1 tells the story of serial killer Dahmer, while season 2 follows the Menendez brothers, teenagers convicted of killing their parents, José and Kitty Menendez.
—Jordana Comiter, PEOPLE, 20 Sep. 2025
The Ducks acquired Mikael Granlund, a versatile forward with experience at center; Chris Kreider, a former 50-goal scorer on the wing; and pivot Ryan Poehling, a penalty killer who can add scoring punch to the bottom six as well.
—Andrew Knoll, Oc Register, 19 Sep. 2025
Mangione was arrested in a Pennsylvania McDonald's following a search for Thompson's killer.
—Marni Rose McFall, MSNBC Newsweek, 19 Sep. 2025
The case has taken a significant mental toll on the investigators trying to find the killer of three young girls.
—Holly Yan, CNN Money, 19 Sep. 2025
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
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Longer sales cycles and shrinking deal sizes are becoming big headaches for sales leaders.—
Sarah Goodall,
Forbes.com,
17 Sep. 2025
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The world’s most valuable company may now be facing another China headache, just days after Beijing deemed the chipmaker to have violated the country’s antitrust legislation.—
Nicholas Gordon,
Fortune,
17 Sep. 2025
Noun
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With Charlie Hunnam in the leading role, season 3 will dive into the haunting story of the notorious 1950s murderer who not only took multiple lives but also exhumed graves to create household and clothing items from human remains.—
Jordana Comiter,
PEOPLE,
20 Sep. 2025
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The conservative influencer Candace Owens released an image purporting to show the alleged murderer at the outlet during an episode of her podcast.—
Marni Rose McFall,
MSNBC Newsweek,
19 Sep. 2025
Adjective
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Advocacy groups have also raised concerns, noting Arizona's troubled history with executions, including a series of botched lethal injections that led to an eight-year pause before the state resumed the practice in 2022.—
Alia Shoaib,
MSNBC Newsweek,
19 Sep. 2025
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For children with sepsis, a potentially lethal reaction by the body to infection that causes 20% of deaths worldwide, the wait can prove deadly.—
Brian Simpson,
NPR,
19 Sep. 2025
Adjective
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Ncell, Nepal’s second-largest telecommunications service provider, noted that shutting down all platforms at once was, in any case, technically difficult and warned that the move would severely impact business.—
Nir Kshetri,
The Conversation,
14 Sep. 2025
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Last summer, after years of hip problems and some difficult surgeries to address them, Jill had an operation that went poorly.—
Bianca Bosker,
The Atlantic,
14 Sep. 2025
Noun
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Many have been fired from their jobs, disciplined, or publicly shamed for criticizing the conservative commentator.—
Ross O'Keefe,
The Washington Examiner,
17 Sep. 2025
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Google began dropping degree requirements for a wide range of jobs in 2024, shifting focus to proof of skills and real-world projects.—
Sarah Hernholm,
Forbes.com,
17 Sep. 2025
Noun
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That assassin went on to seriously wound a colleague of Hortman and her husband and had a hit list of forty-four Democrats.—
DP Opinion,
Denver Post,
19 Sep. 2025
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Disney, the parent company of ABC, removed the late-night comedian from its airwaves after a conservative outcry over Kimmel’s remarks about Charlie Kirk’s assassin culminated in public pressure from FCC Chair Brendan Carr.—
Burgess Everett,
semafor.com,
18 Sep. 2025
Adjective
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Last week's deadly shooting also heightens concerns of university safety protocols and security at public events.—
Anna Commander,
MSNBC Newsweek,
17 Sep. 2025
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The mid-air collision sent both aircraft hurtling into the Potomac River and left no survivors, becoming the deadliest airline crash in the country since 2001.—
Jillian Frankel,
PEOPLE,
16 Sep. 2025
Adjective
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Partnered with Val Chmerkovskiy, Earle tackled a challenging routine that impressed the judges.—
Amanda Castro,
MSNBC Newsweek,
17 Sep. 2025
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Real-world tests The scientists tested THOR AI on several challenging copper, argon, and tin cases.—
Atharva Gosavi,
Interesting Engineering,
16 Sep. 2025
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 21 Sep. 2025.
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