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.
The formula is flexible, which is part of the appeal for anyone who wants a fast, caffeinated way to hit a daily protein target without preparing a full meal. Lauren Jarvis-Gibson, Kansas City Star, 15 July 2026 Being able to still go to music festivals and have experiences like this one, powered only by caffeinated soda and enthusiasm for the experience, has been a great joy, a site of deep feeling. Literary Hub, 13 July 2026 The trend originated in Utah and was popularized by the Mormon community, who traditionally avoid caffeinated coffee and tea. Rick West, Chicago Tribune, 9 July 2026 The specialty-grade arabica coffee comes caffeinated or decaf. Samantha Conti, Footwear News, 9 July 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

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Cite this Entry

“Caffeinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caffeinated. Accessed 19 Jul. 2026.

Kids Definition

caffeinated

adjective
1
: stimulated by or as if by caffeine
2
: containing caffeine
caffeinated coffee
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