Meaning & Definition of word "Killer"

Killer

/ˈkɪlər/

noun:

  • 1. A person or thing that kills or is responsible for causing death.
    • Example: The police arrested a suspected killer who was linked to several unsolved murders.
  • 2. A very intense or difficult situation or challenge.
    • Example: The final exam was a real killer; I studied for days and still found it hard.
  • 3. A strong or effective person or thing, especially one that has a significant impact.
    • Example: That marketing strategy was a killer; it boosted our sales exponentially.

adjective:

  • 1. Extremely impressive or effective.
    • Example: The new album has some killer tracks that everyone is talking about.

Etymology

From Middle English ‘killen’, meaning to strike dead or injure fatally.

Common Phrases and Expressions

killer instinct:

An innate ability to assess situations and take decisive actions, often in a competitive context.

killer app:

A software application that is so useful or desirable that it proves the worth of a product or service.

killer reason:

A compelling justification or argument.

Related Words

kill:

To cause the death of a living being.

death:

The end of life of a living organism.

murder:

The unlawful premeditated killing of one human being by another.

Slang Meanings of killer

Meaning: Something that is extremely impressive or effective.

Example Sentence: That party was a killer; I had the best time!

Meaning: A very difficult challenge, often used in reference to workouts.

Example Sentence: The final exam was a killer!