killer

[ kil-er ]
See synonyms for: killerkillers on Thesaurus.com

noun
  1. a person or thing that kills.

  1. a device used by a post office for printing cancellations on postage stamps.

  2. a mark of cancellation made on a postage stamp.

  3. Slang. something or someone having a formidable impact, devastating effect, etc.: The math test was a real killer.

adjectiveSlang.
  1. severe; powerful: a killer cold.

  2. very difficult or demanding: a killer chess tournament.

  1. highly effective; superior: a killer recipe for fried chicken.

Origin of killer

1
First recorded in 1525–35; kill1 + -er1

Other words from killer

  • self-killer, noun

Words Nearby killer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use killer in a sentence

British Dictionary definitions for killer

killer

/ (ˈkɪlə) /


noun
    • a person or animal that kills, esp habitually

    • (as modifier): a killer shark

  1. something, esp a task or activity, that is particularly taxing or exhausting

  1. Australian and NZ an animal selected to be slaughtered for food

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012