decaffeinated

adjective

de·​caf·​fein·​at·​ed (ˌ)dē-ˈka-fə-ˌnā-təd How to pronounce decaffeinated (audio)
-fē-ə-
: having the caffeine removed
decaffeinated coffee
decaffeinated tea

Examples of decaffeinated in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Research found aflatoxins at their highest levels in decaffeinated green beans, with roasting cutting those levels by 42-55%. — Hanna Wickes, Kansas City Star, 20 Oct. 2026 Marcus adds that some studies have suggested that information on decaffeinated coffee is limited. — Tom Gavin, EverydayHealth.com, 20 July 2026 The base of the spirit is made from decaffeinated Arabica beans from Brazil, Vietnam, and Uganda, which are roasted, ground, and finally infused over a 25-day period. — Jonah Flicker, Robb Report, 8 June 2026 Even decaffeinated coffee was able to induce rapid changes in microbial composition after reintroduction. — Javier Carbajal, Wired News, 4 May 2026 See All Example Sentences for decaffeinated

Word History

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of decaffeinated was in 1921

Rhymes for decaffeinated

See All Rhymes for decaffeinated

Browse Nearby Words

decaffeinate
decaffeinated
decaffeinize
See all Nearby Words

Cite this Entry

“Decaffeinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decaffeinated. Accessed 27 Oct. 2026.

Copy Citation

Kids Definition

decaffeinated

adjective
de·​caf·​fein·​at·​ed (ˈ)dē-ˈkaf-(ē-)ə-ˌnāt-əd How to pronounce decaffeinated (audio)
: having the caffeine removed
decaffeinated coffee
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Last Updated: - Updated example sentences

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of milieu

See Definitions and Examples »

Popular in Grammar & Usage

See More

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

12 Lovely and Unusual Words for the Natural World

Why do we 'bury the lede?'

'Za' and 9 Other Words to Help You Win at SCRABBLE
See More

Popular

See More

How to Use 'Who' vs. 'Whom'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
different halloween monsters in silhouette
A Monstrous Vocab Quiz Words That Go Bump in the Night
See All