Word.ws English Dictionary

How to use caffeine in a sentence

32 example sentences · noun

Caffeine means an alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous system. Example: “There's more caffeine in my coffee than in the coffee you get in most places.”

Examples of caffeine by meaning

nounAn alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous...

  • The US Food and Drug Administration defines this limit as anything more than 400 milligrams of caffeine daily for healthy adults.2024 March 11, Jocelyn Solis-Moreira, “Dark roasted and dangerous: Everything you should know about caffeine intoxication”, in CNN...

More sentences with caffeine

  • There's more caffeine in my coffee than in the coffee you get in most places.From the entry more
  • People who have addictive personalities are advised to avoid caffeine, alcohol and other drugs.From the entry addictive personality
  • My routine changed in February because I stopped alcohol, caffeine and dairy.2023 May 14, Alix Strauss, “How the Head of a Filmmaking Center Spends His Sundays”, in The New York Times. From the entry dairy
  • If I was cranked up on caffeine, it was harder to relax and get aroused.2014, Jessica Sims, Wanted: Wild Thing. From the entry cranked up
  • Caffeine is a xanthine alkaloid compound that acts as a stimulant in humans.2014, Nicolae Sfetcu, Health & Drugs: Disease, Prescription & Medication. From the entry mateine
  • If I didn’t serve them caffeine they’d read to one another in the Starbucks down the street.”2012 February, Jennifer Probst, The Marriage Bargain, Fort Collins, Colo.: Entangled Publishing, LLC, →ISBN, page 137. From the entry cafe mocha
  • Caffeine is a key accessory for dark academics, needed to fuel all those late-night cram sessions and possible dionysian rituals.2022 January 20, Lauren Bravo, “'Dark academia' is Gen Z's favourite look – but can a grown-up wear the collegiate trend?”, in The…. From the entry dark academic
  • Recent evidence demonstrates that caffeine addiction is becoming popular worldwide.2020 February 17, Fawaz Alasmari, “Caffeine induces neurobehavioral effects through modulating neurotransmitters”, in Saudi Pharmaceutical…. From the entry popular
  • This interchange required some serious caffeine, so Weston passed on the caffetiere and went straight for the espresso machine.2018, Lionel Shriver, (Please provide the book title or journal name). From the entry caffetiere
  • Caffeine intake in high quantity is linked with an increased risk of sleep bruxisms in 1.5 times through mechanisms currently unknown.2015, Nicolás Patricio Skármeta, Paula Espinoza-Mellado, Pedro Chana, “Orofacial Dystonia and Other Oromandibular Movement Disorders”, in…. From the entry bruxism
  • Unlike tea and coffee, however, it does not contain caffeine.2015, Thom Hartmann, ADHD and the Edison Gene. From the entry mateine
  • To retoxify, add stimulants (caffeine and sugar), fried foods (chips) and rancid cooking oils, refined and chemically-treated foods, and eat unconsciously.2012, Bruce Burger, Esoteric Anatomy: The Body as Consciousness, page 351. From the entry retoxify
  • Caffeine is called guaranine when found in guarana, mateine when found in mate and theine when found in tea.2010, Crispian Scully, Medical Problems in Dentistry E-Book, Elsevier Health Sciences, →ISBN, page 693. From the entry theine
  • There is far more caffeine in coffees than in teas.2010, Crispian Scully, Medical Problems in Dentistry E-Book, Elsevier Health Sciences, →ISBN, page 693. From the entry theine
  • It was tough cramming for those midterms and finals, staying up 72 hours straight hepped up on caffeine and pizza.2005 April 13, Robert MacMillan, “Steal This Song”, in The Washington Post, retrieved 03 Oct 2008. From the entry final
  • Caffeine acts as an antagonist at receptors in the brain for one of the chemical messengers called adenosine.2001, Leslie Iversen, Drugs: A Very Short Introduction, Oxford, page 82. From the entry adenosine
  • The various peoples of the world prefer different caffeine beverages, but coffee and tea alone are really competitors.1998, Louis Lewin, Phantastica: A Classic Survey on the Use and Abuse of Mind-Altering Plants. From the entry Brazilian tea
  • Quinine, caffeine, and the antihistamines are familiar examples.1993, John William Hill, Dorothy M. Feigl, Stuart J. Baum, Chemistry and life. From the entry baselike
  • Coo, I've only had four gallons of extra caffeine coffee today so I'm not my usual talking-to-PR-girlies-for-hours-on-end self.1990 April, “Crash Readers’ Awards Ceremony”, in Oliver Frey, editor, Crash: ZX Spectrum, number 75, [Ludlow, Shropshire]: Newsfield…. From the entry coo
  • Timing your first coffee for mid-morning allows the caffeine to work its magic right as your body’s natural energy starts to wane.2025 August 22, “The Perfect Caffeine Kick: When is the Best Time to Drink Coffee for Energy?”, in Mochas & Javas. From the entry jolt
  • Gallagher says proffee isn’t off the table, but it shouldn’t be considered a meal replacement or your primary source of protein or caffeine.2022 August 11, Beth Ann Mayer, “Proffee (Protein & Coffee): The New Health Trend Brewing on TikTok”, in Healthline, archived from the…. From the entry proffee
  • This is because it takes about 20 minutes for the caffeine to digest and have its effect, so you get a double whammy!2019, Donna McGeorge, The First 2 Hours: Make Better Use of Your Most Valuable Time, page 97. From the entry nappuccino
  • After complete withdrawal and detoxification from caffeine, it is possible to use it in moderation, but care must be taken as it can be re-addicting.2006, Elson Haas with Buck Levin, Staying Healthy with Nutrition, page 762. From the entry re-addicting
  • Theobromide, caffeine and theophylline are naturally occurring methylxanthines found in several plants, foods and beverages, and in several human and veterinary medications.2001, New York State Veterinary Medical Society, Conference Proceedings, page 34. From the entry theobromide
  • By that measure, Nehlig's team found, the brain activity of animals given caffeine rose in brain regions involved in locomotion, mood, and awakeness.1999 April 9, Robert F. Service, “Chemists Mix It Up in California”, in Science, volume 284, number 5412, →DOI, pages 243–244. From the entry awakeness
  • Is the caffeine connection widely unrecognized?1998, Stephen Cherniske, M.S., Caffeine blues : wake up to the hidden dangers of America's #1 drug, Warner Books, →ISBN, →OCLC, Ch. 4…. From the entry anxiety disorder
  • Coffee is well poised to act as a functional beverage to improve energy balance regulation through its known effects on EE (caffeine) but also potentially by improving appetite regulation.2014, Victor R. Preedy, Coffee in Health and Disease Prevention, page 505. From the entry functional beverage
  • However, caffeine withdrawal can bring on symptoms like headache, fatigue or drowsiness, difficulty concentrating, depressed mood or irritability, and even flu-like symptoms such as nausea or muscle pain!2014, Kristen Mancinelli, The Ketogenic Diet, page 121. From the entry flu-like
  • In addition to the dose of caffeine, there are other items that athletes need to be aware of before utilizing caffeine or caffeine-containing products as an ergogenic aid.2002, Jose Antonio, Jeffrey R. Stout, “Caffeine and Ephedrine”, in Supplements for Endurance Athletes, Champaign, Ill.: Human Kinetics…. From the entry habitual
  • Many customers who head straight to the bar at cafes, where espressos are cheaper than table service, are blue-collar workers, he said, in search of a quick, inexpensive caffeine hit.2025 January 21, Vivian Song, “Specialty Coffee Shops and Parisian Cafes”, in The New York Times, →ISSN. From the entry cafe
  • And while you may enjoy your morning coffee buzz, caffeine is active in the bloodstream for up to nine hours, so it is best to switch to unleaded after noon.2012, Sarah Samaan, Best Practices for a Healthy Heart, →ISBN. From the entry unleaded

Meaning of caffeine

  1. noun An alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous system.

Full definition of caffeine

Questions about caffeine in a sentence

How do you use caffeine in a sentence?
Caffeine is used as a noun. For example: “There's more caffeine in my coffee than in the coffee you get in most places.”
What is a short sentence with caffeine?
“Is the caffeine connection widely unrecognized?”
What does caffeine mean?
Caffeine means an alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous system.

Source and license

Adapted from Wiktionary: caffeine (page history and authors) and the entries each sentence comes from. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the sentences, left out offensive ones and quotations older than 1900, and marked the word in each. Wiktionary data of 2026-09-02.

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Cite this page: “How to use caffeine in a sentence.” Word.ws, https://word.ws/sentences/caffeine. Based on Wiktionary, CC BY-SA 4.0.