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1

killer

play
noun kill·er \ˈki-lər\

Simple Definition of killer

  • : a person or thing that kills someone or something

  • : something that is very difficult

Source: Merriam-Webster's Learner's Dictionary

Full Definition of killer

  1. 1 :  one that kills

  2. 2 :  killer whale

  3. 3 a :  one that has a forceful, violent, or striking impact b :  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

Simple Definition of killer

  • : causing death or destruction

  • : very impressive or appealing

  • : very difficult

Source: Merriam-Webster's Learner's Dictionary

Full 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>


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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