caf·​fein·​ate | \ ˈka-fə-ˌnāt How to pronounce caffeinate (audio) , -fē-ə- \
caffeinated; caffeinating

Definition of caffeinate

transitive + intransitive

: to get caffeine or to provide caffeine to (someone) by means of a caffeinated beverage (such as coffee) No sitter this afternoon, so I caffeinate and stumble through the routine …— Nancy Kruger Cohen The Lady K, as locals call it, caffeinates customers in the morning …— Amy Mayer Inspired by Stephen King's how-to "On Writing," he scrawled a longhand draft of "Tietam" in six weeks, caffeinating himself through the wee hours with two-liter Diet Cokes.— Gregory Kirschling

Examples of caffeinate in a Sentence

Recent Examples on the Web But there are other ways to express an opinion on the market direction of one of the world’s favorite ways to caffeinate. Jj Kinahan, Forbes, 30 Sep. 2021 Amazon Prime Video is hoping to caffeinate your Emmy vote via pop-up For Your Consideration a coffee truck activation around Los Angeles. Michael Schneider, Variety, 16 Aug. 2021 Insulated mugs are the best bet for those who like to caffeinate with a bit more restraint. Sara Bosworth, WSJ, 16 Mar. 2021 Go caffeinate with its co-owners, 21-year-old Noah Irby and 22-year-old Trevin Willison. Sarah Blaskovich, Dallas News, 16 June 2020 Yep, time for McAvoy to caffeinate his game, beginning with shooting more pucks and knocking more bodies. Kevin Paul Dupont,, 28 Jan. 2020 To caffeinate in the morning, I was quickly won over by Lavanda Cafe. Nevin Martell, Washington Post, 14 June 2019 Next stop is to caffeinate and carbo-load for your journey. Peter Fish, San Francisco Chronicle, 16 Mar. 2018 Taking a little one who already operates on hyperdrive and caffeinate them? Charlotte Hilton Andersen, Redbook, 16 Feb. 2012 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'caffeinate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of caffeinate

1989, in the meaning defined above

Buying Guide

Our Reviews team has selected the best espresso machines.

Learn More About caffeinate

Time Traveler for caffeinate

Time Traveler

The first known use of caffeinate was in 1989

See more words from the same year

Dictionary Entries Near caffeinate




See More Nearby Entries 

Statistics for caffeinate

Cite this Entry

“Caffeinate.” Dictionary, Merriam-Webster, Accessed 1 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!