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
Herbal Tea Some research suggests that caffeinated drinks like coffee and tea can contribute to dehydration due to their diuretic effect.
—Abby Norman, Verywell Health, 30 Jan. 2026
The musical group — which had a slightly different crew — competes in a caffeinated battle of the bands.
—Sabrina Weiss, PEOPLE, 30 Jan. 2026
Because caffeine stays in your system for so long, it's recommended to avoid drinking caffeinated drinks, like coffee, before bedtime.
—Jillian Kubala, Health, 30 Jan. 2026
The new additions will contain more caffeine than the original Refreshers, which give drinkers roughly the same boost as a caffeinated soda.
—Amelia Lucas, CNBC, 29 Jan. 2026
See All Example Sentences for caffeinated
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Abby Norman, Verywell Health, 30 Jan. 2026
The musical group — which had a slightly different crew — competes in a caffeinated battle of the bands.
—Sabrina Weiss, PEOPLE, 30 Jan. 2026
Because caffeine stays in your system for so long, it's recommended to avoid drinking caffeinated drinks, like coffee, before bedtime.
—Jillian Kubala, Health, 30 Jan. 2026
The new additions will contain more caffeine than the original Refreshers, which give drinkers roughly the same boost as a caffeinated soda.
—Amelia Lucas, CNBC, 29 Jan. 2026
See All Example Sentences for caffeinated
Cite this Entry
“Caffeinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caffeinated. Accessed 6 Feb. 2026.
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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