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decaf

[dee-kaf]Informal.
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noun
  1. decaffeinated coffee or tea.
adjective
  1. decaffeinated.

Origin of decaf

by shortening
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for decaf

decaf

noun
  1. decaffeinated coffee
adjective
  1. decaffeinated
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