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.
Research from Queen Mary University of London suggests that caffeine can activate an ancient cellular energy system involved in growth, stress resistance, and DNA repair.
From Science Daily ● Sep. 9, 2026
Asked what he is missing the most during his month-long challenge, he said: "It's got to be caffeine."
From BBC ● Sep. 8, 2026
Lynch’s order included a chocolate milkshake and coffee, the cold sugar and caffeine fueling his ideas.
From Los Angeles Times ● Aug. 18, 2026
“I have such a high caffeine tolerance,” I announced to my partner as I cracked open a can of Celsius.
From The Wall Street Journal ● Aug. 4, 2026
They were laying off sugar or carbs or caffeine or meat or dairy, but maybe a little butter was fine now and then.
From "We Are Okay" by Nina LaCour
