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
Lauren A. White, CBS News, 2 Apr. 2026
Whether law enforcement is liable for not notifying the community that a killer was on the loose is the question of a separate lawsuit related to Lyons’ and Major’s deaths, this time against the Orange County Sheriff’s Office.
—Cristóbal Reyes, The Orlando Sentinel, 2 Apr. 2026
The masked killer’s latest spree made more than four times what the rest of the top-five genre contenders earned over the last three months.
—Alison Foreman, IndieWire, 1 Apr. 2026
What was the shocking ubiquity of serial killer fiction all about?
—Literary Hub, 1 Apr. 2026
See All Example Sentences for killer
Noun
Are these the actions of a grieving husband or a cold-blooded killer?
—Lauren A. White, CBS News, 2 Apr. 2026
Whether law enforcement is liable for not notifying the community that a killer was on the loose is the question of a separate lawsuit related to Lyons’ and Major’s deaths, this time against the Orange County Sheriff’s Office.
—Cristóbal Reyes, The Orlando Sentinel, 2 Apr. 2026
The masked killer’s latest spree made more than four times what the rest of the top-five genre contenders earned over the last three months.
—Alison Foreman, IndieWire, 1 Apr. 2026
What was the shocking ubiquity of serial killer fiction all about?
—Literary Hub, 1 Apr. 2026
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
-
Matterhorn Fit treats ailments that affect the neck, back and pelvis, which include sciatica, herniated discs, spinal stenosis, piriformis syndrome, thoracic pain, cervical pain, sports hernia recovery and cervicogenic headache.—
Sean Krofssik,
Hartford Courant,
5 Apr. 2026
-
Symptoms generally appear within one or two weeks of infection, and can include fever, headache, rash and body aches.—
City News Service,
Daily News,
3 Apr. 2026
Noun
-
The meeting ended—the first where the Young Lords and community people had done a fine job of exposing the real criminals and murderers in the streets of our communities.—
Literary Hub,
Literary Hub,
1 Apr. 2026
-
Whether or not Carol is a murderer or something else.—
Andy Andersen,
Vulture,
30 Mar. 2026
Adjective
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Actor Philip Seymour Hoffman was found dead in 2014 with a syringe in his arm and a lethal combination of heroin, cocaine, benzodiazepines and amphetamine in his system.—
Jack Hannah,
CNN Money,
8 Apr. 2026
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The judge had ordered that the curtains to the official witness room be opened earlier during a lethal injection, allowing witnesses to observe the inmate being secured with restraints to a gurney and the IV insertion process itself.—
ABC News,
ABC News,
8 Apr. 2026
Adjective
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There were also high-arcing 3-pointers that touched nothing but the net, a difficult runner through contact that went in, and the kind of gravity that gave Kristaps Porzingis a layup just by cutting into space while the big man dove.—
Joseph Dycus,
Mercury News,
6 Apr. 2026
-
Some things in life are difficult.—
Editorial,
Boston Herald,
6 Apr. 2026
Noun
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Just as important, these shows let art fans size up the job curators are doing on their behalf.—
Ray Mark Rinaldi,
Denver Post,
6 Apr. 2026
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State officials have a chance to signal that California is serious about keeping job creators here, not driving them out.—
Tom Manzo,
Oc Register,
6 Apr. 2026
Noun
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In the latest episode that aired on Sunday, Leaphorn (Zahn McClarnon) and his team were hot on the heels of Vaggan (Franka Potente), but the assassin was always one step ahead.—
Lisa de los Reyes,
HollywoodReporter,
30 Mar. 2026
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Lillian Cross, a doctor’s wife, ended up standing near the would-be assassin.—
Miami Herald Archives,
Miami Herald,
27 Mar. 2026
Adjective
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These rules had been tightened since 2020, when relations soured following a deadly border skirmish in the Galwan Valley, where several Indian and Chinese soldiers died.—
Priyanka Salve,
CNBC,
7 Apr. 2026
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Simple precautions — avoiding unattended charging, unplugging when full, and keeping larger devices away from exits — can prevent deadly battery fires.—
Fedor Zarkhin,
Los Angeles Times,
6 Apr. 2026
Adjective
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Without adequate feedback, support and professional development, employees are likely to seek a more challenging environment.—
Ashton Jackson,
CNBC,
8 Apr. 2026
-
Engage your brain through reading and intellectually challenging tasks.—
Rob Williams,
EverydayHealth.com,
8 Apr. 2026
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 9 Apr. 2026.
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