caffeine

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.

Even so, nectar contains other compounds, such as nicotine and caffeine, that are known to influence animal behavior.

From Science Daily • Mar. 25, 2026

Kirkland Signature energy drinks mimic Celsius’s look, flavors, and 200 milligrams of caffeine, causing Celsius shares to fall.

From The Wall Street Journal • Mar. 25, 2026

It was a group powered by caffeine, Johnston said, and their coffee came in handy when they needed a liquid prop to do quick demos with the prototypes to test their absorbency.

From The Wall Street Journal • Mar. 20, 2026

Coffee and tea contain compounds such as polyphenols and caffeine, which are thought to support brain health.

From Science Daily • Mar. 18, 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