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killer Syllabification: kill·er
Pronunciation: /ˈkilər/

Definition of killer in English:


1A person or thing that kills: police are still searching for the killer
More example sentences
  • Due to the style of the shooting, police initial suspicions pointed to a contract killing with the killers meeting the dead man at the location where the body was discovered.
  • Even though he himself has killed many people, he justifies it by reasoning that he only kills killers.
  • Some of the giant clouds or dust trails might be real killers - bearing viruses with the power to infect and destroy a wide range of species.
executioner, hitman, cutthroat
literary slayer
dated homicide
cause of death, fatal illness, deadly illness, threat to life, scourge
2 informal An extremely difficult or unpleasant thing: that wind’s a killer
More example sentences
  • You won't have the liability, but it's proving it that's the killer.
  • The real killer was introducing change, or even creating a plan, whilst meeting our other commitments.
  • This month could be a real killer.
2.1A formidably impressive person or thing: it’s the zoom lens that makes this camera an absolute killer
More example sentences
  • I found myself getting an absolute killer of a massage that wiped out pretty much all the stress my back and shoulders had received from too much computer time at work.
  • The novel features a killer of an opening sentence: "The strangest thing about my wife's return from the dead was how other people reacted."
  • Her Elektra is a killer of a performance: a symphony of rage and hurt.
0.1A hilarious joke.
Example sentences
  • Has he proven that he can rock style, presence and power with his raspy flow and long list of one-line killers?
  • The rabbit punchline was a killer.
  • Those witty one-liners were killers.


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1Denoting a person or thing that kills: a killer virus
More example sentences
  • Africanized honey bees - melodramatically labeled "killer bees" - are the result of honey bees brought from Africa to Brazil in the 1950s.
  • This winged predator from Europe, where it's also known as the "killer fly," has a taste for some of the insects greenhouse keepers find most distasteful.
  • He sold walking sticks, which became known as 'killer sticks' after a French Quarter buggy driver supposedly used one to beat off a mugger.
2Extremely difficult or unpleasant: I woke up with a killer hangover
More example sentences
  • Much of the dialogue has been focused on the killer low milk prices that afflicted farmers from 2001 through the first half of 2003.
  • Crossing over from pop music stardom to movie stardom is a killer assignment, no matter how big you are as a pop phenomenon.
  • Can there be a downer side to Mardi Gras other than the inevitable killer hangover the day after?
2.1chiefly US Very impressive or effective; excellent: the soundtrack is killer a killer physique
More example sentences
  • It's a killer site: you get the sense that it's run by people with boundless enthusiasm and competence.
  • The plot really is the weakest part of the film, existing solely as a backdrop to pin some killer stunts on.
  • All you need is a killer pair of heels and a sleek clutch for party perfection!

Words that rhyme with killer

Anguilla, Aquila, Attila, Camilla, cedilla, chiller, chinchilla, driller, Drusilla, fibrillar, filler, flotilla, fulfiller, Godzilla, gorilla, griller, guerrilla, Manila, manilla, mantilla, miller, pillar, Priscilla, sapodilla, sarsaparilla, Schiller, scilla, scintilla, spiller, swiller, thriller, tiller, vanilla, vexilla, villa, Willa, willer, zorilla
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