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.
Caffeine is a mild diuretic, which means drinking large amounts of caffeinated coffee can increase urination and lead to a loss of certain nutrients. Ayesha Gulzar, Verywell Health, 31 Mar. 2026 Several weeks later, Landowner returned to the studio to re-record a handful of those songs—hence Assumption’s dual sensations of precise movement and caffeinated energy. Nina Corcoran, Pitchfork, 24 Mar. 2026 They’re revived — buzzing, even; at the glorious point in the caffeinated beverage where everything is beautiful, nothing hurts and at least one of them feels like a creative genius. Julissa James, Los Angeles Times, 10 Mar. 2026 Staats recommends avoiding large meals before bedtime, and limiting caffeinated drinks to the morning or earlier part of the day. Tom Gavin, EverydayHealth.com, 5 Mar. 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 5 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
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