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Synonyms

decaf

American  
[dee-kaf] / ˈdiˌkæf /

noun

  1. decaffeinated coffee or tea.

adjective

  1. decaffeinated.

decaf British  
/ ˈdiːkæf /

noun

  1. decaffeinated coffee

"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

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

Etymology

Origin of decaf

By shortening

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Half received decaf, while the others consumed regular coffee.

From Science Daily • May 3, 2026

I always love to have a decaf espresso with dessert, which is either a brownie sundae or banana pudding.

From Los Angeles Times • Apr. 24, 2026

"So simple things like swapping for decaf, also swapping fizzy drinks, alcohol, even green tea, for water and diluted juices will, after two weeks, make a massive improvement."

From BBC • Apr. 8, 2026

I recently stopped drinking caffeine, but I couldn’t kick the ritual, so I have a decaf latte every single morning I make at home with my little Nespresso pods.

From The Wall Street Journal • Jan. 19, 2026

I sip my decaf caramel macchiato, feeling absolutely lousy.

From "A Good Kind of Trouble" by Lisa Moore Ramée

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.