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Definitions

caffeine

[ka-feen, kaf-een, kaf-ee-in] / kæˈfin, ˈkæf in, ˈkæf i ɪn /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

I enjoy breakfast food a lot, but if I want to have an eventful fun day, I need to just get the breakfast out of the way and get some caffeine in me.

From Los Angeles Times Aug. 14, 2026

I had recently told Mona, my older sister, about the caffeine liaison, and I instantly had regretted it as I glanced at her text.

From Los Angeles Times Aug. 7, 2026

Admittedly this was often tempered by a headache—which Kumar said may have been triggered by a variation in caffeine dose from my usual coffee order—and slightly sore teeth.

From The Wall Street Journal Aug. 4, 2026

Management at the soft-drink giant said Tuesday that a new version of Mr. Pibb, which has 30% more caffeine and extra cherry flavoring, saw more than 20% volume growth in the second quarter.

From MarketWatch Jul. 28, 2026

But for the glucose and caffeine tablets in his survival pack, he would have ground to a halt hours ago.

From "Stormbreaker" by Anthony Horowitz




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