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caffeinated

American  
[kaf-uh-ney-tid] / ˈkæf əˌneɪ tɪd /

adjective

  1. containing caffeine.

    a caffeinated soft drink.


verb

  1. the simple past tense and past participle of caffeinate.

caffeinated British  
/ ˈkæfɪˌneɪtəd /

adjective

    1. with no natural caffeine removed

    2. with added caffeine

  1. highly stimulated by caffeine

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of caffeinated

caffeine + -ate 1 + -ed 2

Explanation

Use caffeinated to describe anything that contains the stimulant typically found in coffee, like your caffeinated iced tea or your caffeinated co-workers who drink lattes all day. If you're drinking a beverage that has caffeine in it, it's caffeinated — and now, so are you! Tea and coffee are naturally caffeinated; in fact, if they're specifically described as caffeinated, it's to distinguish them from decaffeinated varieties, in which the caffeine has been removed. Caffeinated is from caffeine, which was coined by a 19th-century chemist from Kaffee, "coffee" in German, and the chemical suffix -ine.

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Vocabulary lists containing caffeinated

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.

See Examples For:

She co-founded the vegan skincare company Hyphen with Bollywood star Kriti Sanon in 2023 and also runs mCaffeine which makes scrubs, washes and lotions and calls itself India's first caffeinated personal care brand.

From BBC Aug. 19, 2026

The new statement reviews recent evidence about caffeinated coffee and its possible relationships with high blood pressure, cholesterol, Type 2 diabetes, coronary heart disease, stroke, heart failure, atrial fibrillation, other arrhythmias and other cardiovascular conditions.

From Science Daily Jul. 22, 2026

Even so, tea consumption has been associated with reduced risks of atrial fibrillation, heart failure and stroke, similar to caffeinated coffee.

From Science Daily Jul. 22, 2026

WSJ | Buy Side: These are the top cold-brew coffee makers to keep you cool and caffeinated.

From The Wall Street Journal Jul. 20, 2026

If Mr. Bunny had been taking human growth hormones and was overly caffeinated.

From "Lawn Boy Returns" by Gary Paulsen

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