killer Hear it!

killer definition

killer (kil′ər)

noun

  1. a person, animal, or thing that kills, esp. one that kills habitually or wantonly
  2. killer whale
  3. Slang something devastating, difficult, hard to cope with, etc.
  4. Slang an extremely successful, impressive, exciting, etc. person or thing

adjective

  1. that kills or has the potential for killing a killer storm
  2. Slang very difficult, hard to cope with, etc.
  3. Slang successful, impressive, exciting, etc.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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