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
Eva Flowe
may 28, Charlotte Observer, 28 May 2026
The eight-part series, led by Charlie Hunnam, tapped into the serial killer who killed at least two women and exhumed several bodies for his heinous purposes in the 1950s.
—Jazz Tangcay, Variety, 28 May 2026
The biggest accidental romance killer was being rude to staff, selected by 15% of respondents.
—Staff Report, Hartford Courant, 27 May 2026
Continue reading … TROPIC TERROR — String of dead women found in popular American tourist getaway sparks hunt for killer.
—FOXNews.com, 27 May 2026
See All Example Sentences for killer
Noun
The black widow is not only the namesake of an Avenger, but used as a term for female serial killers that take out their husbands and boyfriends, as black widow spiders sometimes eat their male partners.
—Eva Flowe
may 28, Charlotte Observer, 28 May 2026
The eight-part series, led by Charlie Hunnam, tapped into the serial killer who killed at least two women and exhumed several bodies for his heinous purposes in the 1950s.
—Jazz Tangcay, Variety, 28 May 2026
The biggest accidental romance killer was being rude to staff, selected by 15% of respondents.
—Staff Report, Hartford Courant, 27 May 2026
Continue reading … TROPIC TERROR — String of dead women found in popular American tourist getaway sparks hunt for killer.
—FOXNews.com, 27 May 2026
See All Example Sentences for killer
Recent Examples of Synonyms for killer
Noun
-
People in the trial reported similar side effects to those from mRNA Covid vaccines — flu-like symptoms including chills and headaches — that only lasted a couple of days.—
Kaitlin Sullivan,
NBC news,
1 June 2026
-
That has the potential to cause real headaches for Carolina, especially with how the former two have played.—
Dom Luszczyszyn,
New York Times,
31 May 2026
Noun
-
The new episodes leave room for seriousness and depth amidst high jinks and naked murderers on the loose (seriously).—
Kelly Lawler,
USA Today,
28 May 2026
-
Her intent was to seek revenge for the death of her son, in addition to framing Mickey as the sole murderer.—
Virginia Chamlee,
PEOPLE,
28 May 2026
Adjective
-
Many who lived through the pandemic—and witnessed this inability to combat the lethal pestilence—developed scornful opinions of the medical profession.—
Literary Hub,
Literary Hub,
27 May 2026
-
The lethal nature of mosquitoes is ancient knowledge, encoded in some of our most sacred texts.—
Ross Andersen,
The Atlantic,
27 May 2026
Adjective
-
That was so tragic, so difficult for Prince William and Prince Harry which has stayed with them.—
Stephen Schaefer,
Boston Herald,
31 May 2026
-
Every business leader waiting for a difficult market to come around should pay attention to what happened in Seoul.—
Bill Schiffmiller,
Forbes.com,
31 May 2026
Noun
-
On one side were Carson’s years growing up in provincial Columbus, Georgia, and the succession of Southern towns to which her husband’s job had called them.—
Literary Hub,
Literary Hub,
1 June 2026
-
Kory Kantenga, head of economics for the Americas at LinkedIn, explained how the high prices consumers are seeing at gas pumps may affect their teenager’s ability to land a job at their local grocer.—
Rachel Barber,
USA Today,
31 May 2026
Noun
-
Isn’t that what an assassin would do?—
Matthew Futterman,
New York Times,
26 May 2026
-
Later, the team pieces together that the assassins were professionals who had been hired by someone with deep pockets.—
Randall Colburn,
Entertainment Weekly,
25 May 2026
Adjective
-
Kyiv, Ukraine — Russia launched a large-scale deadly attack on the Ukrainian capital Kyiv early Tuesday, damaging residential buildings, authorities said, as part of a broad offensive on targets across Ukraine.—
Helen Regan,
CNN Money,
2 June 2026
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High levels of rotavirus, a potentially deadly virus, have been detected in wastewater in the Boise area, testing shows.—
Hali Smith
June 1,
Idaho Statesman,
1 June 2026
Adjective
-
During a particularly challenging episode with her mental health, Halverson said, his mother went to stay with her sister in Wisconsin.—
Jourdan Rodrigue,
New York Times,
28 May 2026
-
Perhaps my teen years and college (particularly the latter) would have not been so challenging emotionally, academically and socially.—
Sahaj Kaur Kohli,
Washington Post,
28 May 2026
Cite this Entry
“Killer.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/killer. Accessed 3 Jun. 2026.
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