caffeinated

adjective

caf·​fein·​at·​ed ˈka-fə-ˌnā-təd How to pronounce caffeinated (audio) -fē-ə- How to pronounce caffeinated (audio)
1
: stimulated by or as if by caffeine
caffeinated workers
caffeinated rhythms of electronic musicMarc Weingarten
2
: containing caffeine
caffeinated coffee

Examples of caffeinated 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.
As this person said, yerba mate is a caffeinated drink with indigenous origins and is especially popular in Argentina, Brazil, Paraguay and Uruguay, an Arizona State University article said. Martha Ross, Mercury News, 23 Apr. 2026 Chocolate and coffee join forces in these decadent bars to create a crave-worthy (and caffeinated) dessert. Patricia S York, Southern Living, 21 Apr. 2026 Grab a cup of your favorite caffeinated beverage and let’s hit it. Adam Ismail, The Drive, 16 Apr. 2026 But sugary drinks, like sodas and fruit juices, can make diarrhea worse, while alcohol or caffeinated drinks can speed dehydration. Don Sweeney april 14, Sacbee.com, 14 Apr. 2026 See All Example Sentences for caffeinated

Word History

First Known Use

circa 1896, in the meaning defined at sense 2

Time Traveler
The first known use of caffeinated was circa 1896

Browse Nearby Words

Cite this Entry

“Caffeinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caffeinated. Accessed 29 Apr. 2026.

Kids Definition

caffeinated

adjective
caf·​fein·​at·​ed ˈkaf-ə-ˌnāt-əd How to pronounce caffeinated (audio)
1
: stimulated by or as if by caffeine
2
: containing caffeine
caffeinated coffee
Love words? Need even more definitions?

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

More from Merriam-Webster