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.

"We found that flies consuming caffeine at night were less able to suppress movement, displaying impulsive behaviors such as reckless flying despite these aversive conditions."

From Science Daily • Mar. 31, 2026

Both brands’ 12-ounce cans carry the same 200 milligrams of caffeine, too.

From The Wall Street Journal • 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

Higher levels of caffeine intake did not appear to cause harm.

From Science Daily • Mar. 18, 2026

“Perk—we need some caffeine and sugar. I can’t have you Eeyoring it up tomorrow at Midsummer Night, Miss Director. So we’re going to flush this whatever-it-is out of your system. Let’s go.”

From "From Twinkle, with Love" by Sandhya Menon