caffeinated
adjective
caf·fein·at·ed
ˈka-fə-ˌnā-təd 
-fē-ə-
-fē-ə-
1
: stimulated by or as if by caffeine
caffeinated workers
caffeinated rhythms of electronic music—
Marc Weingarten
Marc Weingarten2
: containing caffeine
caffeinated coffee
Examples of caffeinated in a Sentence
Recent Examples on the Web
People who regularly consume caffeinated energy drinks may eventually need more caffeine to maintain their energy levels.
—Laura Dorwart, Verywell Health, 25 Nov. 2025
The chain introduced the line of highly caffeinated beverages in 2022.
—Gabe Hauari, USA Today, 18 Nov. 2025
There are notable limitations in the study, including the effects of caffeinated beverages other than coffee.
—Kaitlin Sullivan, NBC news, 9 Nov. 2025
Surprisingly, there’s a solid number of caffeinated beverages in the mix.
—Korin Miller, SELF, 7 Nov. 2025
See All Example Sentences for caffeinated
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Laura Dorwart, Verywell Health, 25 Nov. 2025
The chain introduced the line of highly caffeinated beverages in 2022.
—Gabe Hauari, USA Today, 18 Nov. 2025
There are notable limitations in the study, including the effects of caffeinated beverages other than coffee.
—Kaitlin Sullivan, NBC news, 9 Nov. 2025
Surprisingly, there’s a solid number of caffeinated beverages in the mix.
—Korin Miller, SELF, 7 Nov. 2025
See All Example Sentences for caffeinated
Cite this Entry
“Caffeinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caffeinated. Accessed 7 Dec. 2025.
Copy CitationKids Definition
caffeinated
adjective
caf·fein·at·ed
ˈkaf-ə-ˌnāt-əd
1
: stimulated by or as if by caffeine
2
: containing caffeine
caffeinated coffee
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