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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.

See Examples For:

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

She did not order decaf coffee but drank three cups of regular.

From "The View From Saturday" by E.L. Konigsburg

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