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1. Containing caffeine: caffeinated beverages.
2. Stimulated with or as if with caffeine: "She has taken an indignant high road, her manner edgy, caffeinated" (Carol Anshaw).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a. with no natural caffeine removed
b. with added caffeine
2. highly stimulated by caffeine
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkæf əˌneɪ tɪd)

containing caffeine.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
If you're drinking an 8-ounce caffeinated drink, be sure to drink 8 ounces of water to help offset the diuretic effect of the caffeine.
It was seen that three or more servings of caffeinated beverages may be associated with higher odds of migraine headache occurrence on that day or the following day.
( According to a study , recently published in The American Journal of Medicine, drinking three or more caffeinated drinks can be a trigger.
9, 2019 (HealthDay News) -- Higher levels of caffeinated beverage intake may be a trigger for migraine headache on that day among adults with episodic migraines, according to a study published Aug.
Each patient had an average of five migraines a month, 66% had one to two servings of caffeinated beverages a day, and 12% had three or more servings a day.
Caffeinated coffee intake is linked to a decreased incidence of rosacea, results of a large, observational study suggest.
Volunteers downed 32 ounces or 1.6 pints, roughly three normal 330ml cans, of two popular caffeinated energy drinks within an hour.
Caffeinated energy drinks have been found to raise blood pressure and alter the heart's electrical activity, according to a ( study published in the Journal of the American Heart Association .
Aside from coffee and coffee blends, caffeinated drinks include certain sodas and energy drinks.
After its anti-encroachment drive, the Punjab Food Authority has started a province-wide crackdown on the sale of energy and caffeinated drinks.
Apart from that, PFA disposed of 9,840 litres caffeinated drinks of national and international brands that usually manufactured with the help of pharmaceutical ingredients.
LAHORE -- The Punjab Food Authority (PFA) continued its operation against unpacked spices and highly caffeinated energy drinks in the provincial metropolis.