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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.

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"Fortunately I've got over the caffeine withdrawals," he said.

From BBC Sep. 8, 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

I was caffeine jittery and surly and perfectly capable of wasting his money.

From "Kindred" by Octavia Butler




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