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
Steven Thrash, Entertainment Weekly, 24 Oct. 2025
In the area surrounding South Africa’s Kruger National Park, a mysterious killer begins executing local poachers.
—Leo Barraclough, Variety, 14 Oct. 2025
Based on the Alex Cross books by James Patterson, the series follows the D.C. homicide detective, played by Aldis Hodge, hunting down a serial killer going after corrupt billionaires.
—Jason P. Frank, Vulture, 11 Oct. 2025
City leaders are downplaying speculation about a potential serial killer, but retired NYPD Sgt.
—Michael Ruiz, FOXNews.com, 11 Oct. 2025
See All Example Sentences for killer
Noun
The Count stalks like a slasher, murders in droves like a serial killer, and is the inspiration for every single vampire movie made after 1931.
—Steven Thrash, Entertainment Weekly, 24 Oct. 2025
In the area surrounding South Africa’s Kruger National Park, a mysterious killer begins executing local poachers.
—Leo Barraclough, Variety, 14 Oct. 2025
Based on the Alex Cross books by James Patterson, the series follows the D.C. homicide detective, played by Aldis Hodge, hunting down a serial killer going after corrupt billionaires.
—Jason P. Frank, Vulture, 11 Oct. 2025
City leaders are downplaying speculation about a potential serial killer, but retired NYPD Sgt.
—Michael Ruiz, FOXNews.com, 11 Oct. 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
-
That case went cold as the murderers were never caught.—
Stephanie Sengwe,
PEOPLE,
25 Oct. 2025
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The place is the Savin Bar + Kitchen, in Boston's Dorchester neighborhood, where immediately inside the front door, patrons are greeted by a larger-than-life framed mugshot of Bulger — the mob-boss, murderer, bank robber, drug dealer and extortionist — peering cooly out from under his fedora.—
Tovia Smith,
NPR,
24 Oct. 2025
Adjective
-
Wuornos, who was found guilty of six murders and received six death sentences, was executed by lethal injection on October 9, 2002, after a decade on death row.—
Jason Pham,
StyleCaster,
31 Oct. 2025
-
Wuornos was executed by lethal injection in October 2002, according to a New York Times obituary.—
Allison DeGrushe,
Entertainment Weekly,
31 Oct. 2025
Adjective
-
Cue, Helm’s first rejection, abandonment, difficult emotions.—
Literary Hub,
Literary Hub,
3 Nov. 2025
-
This character was actually quite difficult for me.—
Gavin J Blair,
HollywoodReporter,
2 Nov. 2025
Noun
-
Duffy had been angling to hold on to the NASA job, according to media reports.—
Mike Wall,
Space.com,
5 Nov. 2025
-
Ausberry was promoted to the interim job in Woodward’s place, and the board gave him the authority to lead the coaching hire.—
Chris Vannini,
New York Times,
5 Nov. 2025
Noun
-
Up until then, slashers were silent assassins or a breather.—
Raechal Shewfelt,
Entertainment Weekly,
1 Nov. 2025
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Well, that, and the small matter of a conspiracy involving the Ministry of Defense, a neighboring assassin, and a young girl who may or may not be dead.—
Jon O'Brien,
IndieWire,
30 Oct. 2025
Adjective
-
Over time, this computer becomes a deadly antagonist of the astronauts on the ship.—
Literary Hub,
Literary Hub,
5 Nov. 2025
-
Los Angeles Mayor Karen Bass said before the Monday celebration that after a difficult year, which included deadly wildfires, Los Angeles deserves something positive.—
Steve Futterman,
NPR,
4 Nov. 2025
Adjective
-
With launch costs extremely high, sending a large platform to orbit is challenging.—
Chris Young,
Interesting Engineering,
4 Nov. 2025
-
Their league schedule in the Southland Conference includes a challenging February road stretch through Texas, and non-conference begins with a high-profile matchup against the Kentucky Wildcats.—
Ben Verbrugge,
MSNBC Newsweek,
4 Nov. 2025
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 6 Nov. 2025.
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