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
Alexandria Nyembwe, Health, 7 Nov. 2025
But her killer remains unknown.
—Christina Coulter, PEOPLE, 7 Nov. 2025
Minnesota’s penalty killers, who were worst, statistically, in the NHL just a few games ago, have now negated the last seven opponent power plays.
—Jess Myers, Twin Cities, 7 Nov. 2025
Episode 2 begins with the immediate fallout of Joe's death; Zoë suspects foul play and vows to hunt down his killer.
—Allison Degrushe, Entertainment Weekly, 6 Nov. 2025
See All Example Sentences for killer
Noun
Most people with high blood pressure don’t feel any different, which is why it’s called the silent killer.
—Alexandria Nyembwe, Health, 7 Nov. 2025
But her killer remains unknown.
—Christina Coulter, PEOPLE, 7 Nov. 2025
Minnesota’s penalty killers, who were worst, statistically, in the NHL just a few games ago, have now negated the last seven opponent power plays.
—Jess Myers, Twin Cities, 7 Nov. 2025
Episode 2 begins with the immediate fallout of Joe's death; Zoë suspects foul play and vows to hunt down his killer.
—Allison Degrushe, Entertainment Weekly, 6 Nov. 2025
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
-
For the patents on some of Novo Nordisk’s hero products in certain regions to be running out is an inevitable headache—companies can only hold them for so long before competitors are able to launch their own products.—
Eleanor Pringle,
Fortune,
6 Nov. 2025
-
Symptoms may include diarrhea, cramps, nausea, headaches or other ailments.—
Anna Skinner,
MSNBC Newsweek,
5 Nov. 2025
Noun
-
However, this theory was later debunked when Edgar Patino, a married man who had impregnated Touma, was found to be her murderer, according to authorities.—
Mason Leath,
ABC News,
7 Nov. 2025
-
Marissa, who doesn't want to live happily ever after with a kidnapper, liar, and murderer, sure does.—
Lauren Huff,
Entertainment Weekly,
7 Nov. 2025
Adjective
-
He’s sent to the deadly planet Genna, where every flora and fauna has evolved to be as lethal as possible, and given the seemingly impossible task of killing a fierce creature known as the Kalisk.—
Christian Zilko,
IndieWire,
7 Nov. 2025
-
How Nashville police got involved Nashville Police Chief John Drake said the department's specialized investigation unit saw a rise in violent crime two years ago, including non-lethal shootings and homicides connected to the MS-13 gang.—
Craig Shoup,
Nashville Tennessean,
7 Nov. 2025
Adjective
-
Jens generally chooses his words carefully, and is, what’s more, particularly reticent just after finishing a long and difficult winter delivery trip; what’s a person supposed to do with words in a blizzard anyway, up on a stormy heath and all directions lost?—
Literary Hub,
Literary Hub,
10 Nov. 2025
-
In his first start in the wake of Beau Pribula’s significant injury, Zollers walked into a difficult situation, and his stat line reflected it.—
Maddie Hartley,
Kansas City Star,
9 Nov. 2025
Noun
-
Essentially, your job is to compile a paper trail that proves your chain of heritage going back to your grandparent is intact.—
Katie Jackson,
Travel + Leisure,
11 Nov. 2025
-
The head of the air traffic controllers union emphasized this week that the controllers were not walking off the job as part of an organized protest and were committed to their work.—
Dave Smith,
Fortune,
11 Nov. 2025
Noun
-
The government doesn't like to as a rule, like showcase of assassin artifacts.—
Kelly Lawler,
USA Today,
7 Nov. 2025
-
Presidential assassins and all this dark stuff.—
Seth Abramovitch,
HollywoodReporter,
3 Nov. 2025
Adjective
-
The section of the Guadalupe River where the camp is located has long been prone to deadly flash flooding.—
Shambhavi Rimal,
Fort Worth Star-Telegram,
12 Nov. 2025
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The deadliest assault on a school occurred in 2014 when Taliban gunmen killed 154 people, mostly children, at an army-run school in Peshawar.—
NPR,
NPR,
11 Nov. 2025
Adjective
-
What’s been the most challenging period for you?—
Kevin Cassidy,
HollywoodReporter,
11 Nov. 2025
-
Getting back in shape this year proved to be more challenging than expected.—
Ian Servantes,
Footwear News,
11 Nov. 2025
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 13 Nov. 2025.
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