Definition of killer in English:


Line breaks: kill¦er
Pronunciation: /ˈkɪlə


1A person, animal, or thing that kills: [as modifier]: a killer virus
More example sentences
  • He plots her murder but who does the hired killer kill and who is guilty?
  • Murder will be appropriate where the killer acted intending to kill or do serious harm.
  • Conventional weed killers will not kill mosses, but there are several proprietary paving cleaners now available in garden centres and ironmongers that will do the job.
literary slayer
dated homicide
cause of death, fatal/deadly illness, destroyer, threat to life, menace, plague, scourge, peril
2 informal A formidable, impressive or difficult thing: his new novel is a killer
More example sentences
  • But I will say that it made me believe that a lame first novel can be followed by a killer second one.
  • Served with double cream, this is a killer in the best sense of the word.
  • ‘The new album is totally killer,’ she says. ‘The fans will dig it, and we'll attract a lot of new fans with it as well.’
2.1A hilarious joke.
More 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 Guru has some killer lines and hilarious cameos, but none are strong enough to save the film from mediocrity.
3Australian /NZ informal An animal that has been selected for slaughter.

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Pronunciation: ˌəʊlɪˈadʒɪnəs
rich in, covered with, or producing oil; oily