overcaffeinate

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verb

To imbibe or cause to imbibe too much caffeine.

Scrabble 25
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Meanings

verbovercaffeinate (third-person singular simple present overcaffeinates, present participle overcaffeinating, simple past and past participle overcaffeinated)

present singular third person overcaffeinates · participle present overcaffeinating · participle past overcaffeinated · past overcaffeinated

  1. ambitransitiveTo imbibe or cause to imbibe too much caffeine.

    So the waiters used to deliberately overcaffeinate him.

    2004, Imogen Edwards-Jones, Hotel Babylon, page 76
    3 more examples

    Jimmy, my husband, swears I always overcaffeinate the morning of a child's party.

    2003, Vicki Iovine, The Girlfriends' Guide to Parties and Playdates, →ISBN

    It probably hadn't been the best idea to overcaffeinate before this conversation.

    2016, Fortune's Special Delivery, →ISBN, page 36

    I have seen people seriously overcaffeinate, as your tolerance will be less than when you are eating regular meals.

    2017, Robb Wolf, Wired to Eat, →ISBN
  2. transitiveuncommonTo add an excessive amount of caffeine to something.

Origin

From over- + caffeinate.

Full word history & related roots →
Cite this entry
APA

overcaffeinate. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/overcaffeinate

MLA

“overcaffeinate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/overcaffeinate. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “overcaffeinate,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/overcaffeinate.

Source: overcaffeinate on Wiktionary, CC BY-SA 4.0.