Definition of killer Killer

/kɪˈlɚ/ - [kiler] - kill•er

We found 15 definitions of killer from 6 different sources.

What does killer mean?

Noun Plural: killers
killer - someone who causes the death of a person or animal
		slayer
		mortal, somebody, someone, individual, person, soul a single organism
		executioner, public executioner an official who inflicts capital punishment in pursuit of a warrant
		eradicator, exterminator, terminator someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)
		garroter, garrotter, throttler, strangler, choker someone who kills by strangling
		manslayer, murderer, liquidator a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)
		poisoner someone who kills with poison
		regicide the act of killing a king
killer - a difficulty that is hard to deal with; "that exam was a real killer"
		difficulty the quality of being difficult; "they agreed about the difficulty of the climb"
killer - the causal agent resulting in death; "heart disease is the biggest killer in the United States"
		cause of death
		causal agency, causal agent, cause any entity that produces an effect or is responsible for events or results
killer - predatory black-and-white toothed whale with large dorsal fin; common in cold seas
		killer whale, orca, grampus, sea wolf, Orcinus orca
		dolphin any of various small toothed whales with a beaklike snout; larger than porpoises

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killer (Noun)
That which kills.
killer (Noun)
That which causes stress or is extremely difficult, especially that which may cause failure at a task.
killer (Noun)
Something that is so far ahead of its competition that it effectively kills off that competition.
killer (Noun)
A knockout form of darts involving several players.
killer (Noun)
A diacritic mark used in Indic scripts to suppress an inherent vowel e. g. , the Hindi viram, the Bengali or Oriya hasanta or render the entire syllable silent e. g. , the Burmese virama, the Khmer toandakhiat.
killer (Adjective)
Excellent, very good.

killer (n.)
One who deprives of life; one who, or that which, kills.
killer (n.)
A voracious, toothed whale of the genus Orca, of which several species are known.

killer
A name for the grampus, Orca gladiator, given on account of the ferocity with which it attacks and destroys whales, seals, and other marine animals. (See GRAMPUS.)

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killer in sign language