Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Containing caffeine.
  • adjective Stimulated with or as if with caffeine.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective slang Overly peppy or energetic (as in a person or pet).
  • verb Simple past tense and past participle of caffeinate.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Back-formation from decaffeinated.

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Examples

  • Last time I had my teeth cleaned during my regular visit, I had a lot of nasty staining (apparently brought on by a change in caffeinated beverage type, no names because I need some evidence-based testing on that) that I was not able to clear up at home.

    Is Tooth Cleaning a Scam? - Freakonomics Blog - NYTimes.com 2008

  • The bulk of his album could be classified as caffeinated lounge music with a light funk influence and the occasional touch of hip-hop.

    Daily Vanguard RSS 2010

  • They're kind of caffeinated normally out there, but they seemed extra excited about this.

    Volvo's Self-Stopping Car 2010

  • They're kind of caffeinated normally out there, but they seemed extra excited about this.

    Volvo's Self-Stopping Car 2010

  • I am not talking about dehydrating liquids such as caffeinated beverages and alcohol, but rather, clean, fresh water preferably filtered, distilled, or from a reliable spring.

    Dr. Robert A. Kornfeld: Five Ways To Reduce Inflammation Naturally 2009

  • Something else simple I may try is simply keeping some kind of caffeinated something in the fridge and ready to down when my first alarm goes off (can't be coffee, that's too complicated to make -- recommendations?).

    Wired Campus 2010

  • Perhaps it's no accident that this morning it announced a "caffeinated" version of its search engine, offering "the first step in a process that will let us push the envelope on size, indexing speed, accuracy, comprehensiveness and other dimensions".

    The Guardian World News 2009

  • The news that Klinker will take over comes just a day after founder and former president Ashwin Navin announced to the world (or at least those on his private email list) that he was leaving BitTorrent to work on some sort of "caffeinated" technology incubator with Learn how fixed-mobile convergence will increase mobile workers 'productivity.

    Light Reading: 2008

  • Hasn’t every English teacher at one time or another faced a stack of essays to be graded with something like despair, putting off the process until the last possible moment and getting through it only by setting up a complicated system of self-rewards involving at the very least chocolate chip cookies and some kind of caffeinated beverage, and in more extreme cases carefully spaced infusions of grain alcohol?

    Teaching the Ape to Write Bruce Schauble 2006

  • Hasn’t every English teacher at one time or another faced a stack of essays to be graded with something like despair, putting off the process until the last possible moment and getting through it only by setting up a complicated system of self-rewards involving at the very least chocolate chip cookies and some kind of caffeinated beverage, and in more extreme cases carefully spaced infusions of grain alcohol?

    Archive 2006-12-01 Bruce Schauble 2006

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