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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:

This could explain why in some studies, decaf coffee is also associated with lower risks of Type 2 diabetes and heart disease.

From The Wall Street Journal Jul. 20, 2026

For a decaf alternative, Caff Off is a great option, while Trăm Phần Trăm’s salted pandan, lemongrass and toasted rice syrups make it easy to mix things up.

From Salon Jul. 12, 2026

People who drank more decaf experienced faster memory decline.

From Science Daily May 13, 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 sip my decaf caramel macchiato, feeling absolutely lousy.

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

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