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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of killer
Lorraine Mirabella, Baltimore Sun, 14 Feb. 2025
In total, Daniel Sikkema is accused of sending or asking someone else to send the killer over $10,000 for the murder, according to the indictment.
—Jeanine Santucci, USA TODAY, 13 Feb. 2025
Police said at the time that both Hopkins and his killer may have been visiting Hopkin’s ex-girlfriend, who lived in the area.
—Nate Gartrell, The Mercury News, 11 Feb. 2025
And Fox is still a killer in the clutch, so Wembanyama gets to pick his spots in growing more into his superstardom.
—Zach Harper, The Athletic, 3 Feb. 2025
See all Example Sentences for killer 
Noun
Trending Nationally Massachusetts loses domestic residents, gains migrants: report
Jack the Ripper victim’s family demands investigation after alleged DNA ID of killer
The price of eggs just hit an all-time high.
—Lorraine Mirabella, Baltimore Sun, 14 Feb. 2025
In total, Daniel Sikkema is accused of sending or asking someone else to send the killer over $10,000 for the murder, according to the indictment.
—Jeanine Santucci, USA TODAY, 13 Feb. 2025
Police said at the time that both Hopkins and his killer may have been visiting Hopkin’s ex-girlfriend, who lived in the area.
—Nate Gartrell, The Mercury News, 11 Feb. 2025
And Fox is still a killer in the clutch, so Wembanyama gets to pick his spots in growing more into his superstardom.
—Zach Harper, The Athletic, 3 Feb. 2025
See all Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
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The parasites' arrival in the central nervous system is often marked by a headache.—
Ars Technica,
Ars Technica,
13 Feb. 2025
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Your child shows physical signs of stress like frequent headaches, stomachaches, or changes in appetite.—
Lauryn Higgins,
Parents,
11 Feb. 2025
Noun
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Right Now The first reveal comes when Ally and Jay decide to fight Heart Eyes rather than flee when the masked murderer is killing people left and right at a drive-in movie theater.—
James Grebey,
TIME,
7 Feb. 2025
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A bit of detective work ascertained its surprising provenance: The crate was an unsolicited donation from eccentric wrestling fanatic and convicted murderer John du Pont, an heir to the chemical company fortune who had attended UM decades earlier.—
Andres Viglucci,
Miami Herald,
2 Feb. 2025
Adjective
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Richard Tabler shared his final words before he was executed by lethal injection in Texas on Thursday.—
Josh Hammer,
Newsweek,
14 Feb. 2025
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Ford, 64, is set to be executed by lethal injection after being on death row for more than two decades for the 1997 murders of Gregory and Kimberly Malnory, who were in their mid-20s.—
Fernando Cervantes Jr.,
USA TODAY,
14 Feb. 2025
Adjective
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Nevertheless, the offer could make OpenAI’s reorganization plans more difficult – and significantly more expensive.—
David Goldman,
CNN,
11 Feb. 2025
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The only thing that could make persuading a group of pandemic skeptics to care about an infectious-disease outbreak more difficult is your boss—the president of the United States—undercutting your raison d’être.—
Nicholas Florko,
The Atlantic,
11 Feb. 2025
Noun
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Another was fired just a month into her job after relocating more than 1,700 miles to take it.—
Zac Anderson,
USA TODAY,
18 Feb. 2025
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Some may return to work, but the lack of job stability under an administration that has said its goal is to shrink the federal workforce may prompt some to start looking for new jobs in the private sector, the source said.—
Ella Nilsen,
CNN,
17 Feb. 2025
Noun
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The pint-sized assassin pulls a gun out of her fuzzy heart throw pillow and gets to work.—
Kimberly Roots,
TVLine,
18 Feb. 2025
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Assassin's Creed Shadows continues the everlasting war between noble assassins and shifty templars.—
Jordan Minor,
PCMAG,
13 Feb. 2025
Adjective
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Another particularly deadly accident occurred in 2021 in Holtville, California, when an SUV transporting 25 migrants collided with a semitruck.—
Marni LaFleur,
The Conversation,
11 Feb. 2025
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In 2023, there was a lone, deadly shark attack in the Bahamas, according to the report.—
Meredith Deliso,
ABC News,
11 Feb. 2025
Adjective
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His back nine was particularly challenging as the weather conditions deteriorated, resulting in one bogey and no birdies.—
Josh Hammer,
Newsweek,
14 Feb. 2025
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But Kirby and Danielle said the past year has been incredibly challenging.—
Samantha Moilanen,
Chicago Tribune,
14 Feb. 2025
Thesaurus Entries Near killer
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 22 Feb. 2025.
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