Thesaurus.com
Dictionary.com
Showing results for caffeine. Search instead for stadtfeinem.
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.

For ants exposed to 25 ppm of caffeine, foraging time decreased by 28 percent with each visit.

From Science Daily • Apr. 18, 2026

Ants that consume a sugary treat mixed with caffeine become noticeably better at finding their way back to it.

From Science Daily • Apr. 18, 2026

In contrast, ants given low or moderate amounts of caffeine quickly became more efficient.

From Science Daily • Apr. 18, 2026

The people who gather in this small room on the eighth floor of the New York Stock Exchange look like a group of middle-aged caffeine addicts.

From The Wall Street Journal • Apr. 15, 2026

She needed some caffeine in her system before she called home to tell her parents she’d arrived.

From "When Dimple Met Rishi" by Sandhya Menon