1

killer

play
noun kill·er \ˈki-lər\

Definition of killer

  1. 1 :  one that kills

  2. 2 :  killer whale

  3. 3a :  one that has a forceful, violent, or striking impactb :  one that is extremely difficult to deal with

Examples of killer in a Sentence

  1. Heart disease is the leading killer of both men and women.

  2. The chemical is used as a weed killer.

15th Century

First Known Use of killer

15th century


2

killer

adjective kill·er

Definition of killer

  1. 1 :  strikingly impressive or effective a killer smile a killer résumé

  2. 2 :  extremely difficult to deal with a killer fastball; also :  causing death or devastation a killer tornado

Examples of killer in a Sentence

  1. killer viruses that claimed millions of lives

  2. a killer exercise program guaranteed to whip you into shape

1951

First Known Use of killer

1951


KILLER Defined for English Language Learners

1

killer

play
noun kill·er \ˈki-lər\

Definition of killer for English Language Learners

  • : a person or thing that kills someone or something

  • : something that is very difficult

2

killer

adjective kill·er

Definition of killer for English Language Learners

  • : causing death or destruction

  • : very impressive or appealing

  • : very difficult


KILLER Defined for Kids

1

killer

play
noun kill·er \ˈki-lər\

Definition of killer for Students

  1. :  someone or something that takes the life of a person or animal


2

killer

play
adjective kill·er

Definition of killer for Students

  1. 1 :  very impressive or effective a killer smile

  2. 2 :  very difficult a killer exam

  3. 3 :  causing death or ruin a killer tornado



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