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UK//ˈkɪlə//US//ˈkɪlər//

Meaning of Killer

A person who commits murder.

In simple words: someone who kills another person

Killer in a sentence

  • The police arrested the suspected killer after a long investigation.
  • In the movie, the killer turns out to be someone close to the victim.
  • She described her new workout routine as a killer, but in a good way!

How to use Killer

Often refers to a specific person who commits murder; can be used informally to describe something very effective or impressive. Avoid in formal contexts.

Grammar pattern

standalone noun

Memory hint

Think of 'killer whale' — powerful and fearsome, just like a dangerous person.

Related words

Collocations with Killer

  • serial killer
  • killer instinct
  • killer app
  • killer whale

Synonyms for Killer

Opposites of Killer

Common mistakes with Killer

  • Confused with 'killer app' vs 'killer'
  • Using it too casually in serious situations
  • Misunderstanding connotation as only violent

Compare Killer with Murderer, Executioner

Killer appears in

Killer in other languages

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Frequently asked questions about Killer

What does Killer mean?

someone who kills another person

What is the definition of Killer?

A person who commits murder.

How do you use Killer in a sentence?

The police arrested the suspected killer after a long investigation.

Can you give another example of Killer?

In the movie, the killer turns out to be someone close to the victim.

What are synonyms for Killer?

Common alternatives include murderer, assassin, slayer, executioner.

What is the opposite of Killer?

Opposite meanings include victim, protector.

What words go with Killer?

It commonly pairs with serial killer, killer instinct, killer app, killer whale.

What are common mistakes when using Killer?

Confused with 'killer app' vs 'killer' Using it too casually in serious situations Misunderstanding connotation as only violent

How do you pronounce Killer?

US: //ˈkɪlər//, UK: //ˈkɪlə//. Listen to the audio above to hear native pronunciation.

When should I use Killer?

Often refers to a specific person who commits murder; can be used informally to describe something very effective or impressive. Avoid in formal contexts.