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.

They said that caffeine could affect the results, and gel interferes with the electrodes.

From The Wall Street Journal • Jun. 27, 2026

Many contain large amounts of caffeine, which stimulates the central nervous system and makes you feel more awake.

From BBC • Jun. 22, 2026

Think about when you want to sleep and then have the last caffeine hit eight hours before to help you power through.

From BBC • Jun. 13, 2026

Nur House Cafe — If you’re in need of a caffeine break and something sweet, make time for Nur House Cafe.

From Salon • Jun. 11, 2026

I saw Ms. Gruwell waving her arms around like a crazy lady, but no one was reacting to her caffeine high.

From "The Freedom Writers Diary" by The Freedom Writers