def

1
[ def ]

adverbInformal.
  1. definitely: Going to Europe this summer? But def!

Origin of def

1
By shortening

Other definitions for def (2 of 3)

def2
[ def ]

adjective
  1. Slang. excellent: That hip-hop record is def!

Origin of def

2
An Americanism dating back to 1980–85; of uncertain origin

Other definitions for def. (3 of 3)

def.

abbreviation
  1. defective.

  2. defendant.

  1. defense.

  2. deferred.

  3. defined.

  4. definite.

  5. definition.

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

British Dictionary definitions for def (1 of 2)

def

/ (dɛf) /


adjective
  1. slang very good, esp of hip-hop

Origin of def

1
C20: perhaps from definitive

British Dictionary definitions for def. (2 of 2)

def.

abbreviation for
  1. definition

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