Word.ws English Dictionary

caffeinated

/ˈkafɪneɪtɪd/

caffeinated adjective: containing caffeine naturally (e.g., coffee, tea, and cacao) or as an additive (e.g., soft drinks, sports drinks, or energy drinks). Also the simple past and past participle of caffeinate.

caffeinated: clear glass mug with brown liquid
Photo by Kris Gerhard on Unsplash

Adjective

caffeinated (comparative more caffeinated, superlative most caffeinated)

  1. Containing caffeine naturally (e.g., coffee, tea, and cacao) or as an additive (e.g., soft drinks, sports drinks, or energy drinks).
    • But to address the question in theoretical terms, it turns out that yes, caffeinated soap might perk you up, but it would depend on how long you stayed in the shower, and how long you spent rubbing the soap against your skin.2003 November 27, David Adam, “Can showering with caffeinated soap perk you up?”, in The Guardian
  2. (informal) Overly peppy or energetic; stimulated by caffeine.
    • For most of us, to be caffeinated to one degree or another has simply become baseline human consciousness.2021 July 6, Michael Pollan, “The invisible addiction: is it time to give up caffeine?”, in The Guardian

Also used as

caffeinated is also the simple past and past participle of caffeinate.

Synonyms of caffeinated

Antonyms

All synonyms and antonyms of caffeinated

Forms of caffeinated

comparativemore caffeinated
superlativemost caffeinated

Origin of caffeinated

From caffeine + -ated.

From caffeinate + -ed.

Words formed from caffeinated

Questions about caffeinated

What does caffeinated mean?
Caffeinated means containing caffeine naturally (e.g., coffee, tea, and cacao) or as an additive (e.g., soft drinks, sports drinks, or energy drinks).
What part of speech is caffeinated?
Caffeinated is an adjective.
How do you pronounce caffeinated?
Caffeinated is pronounced /ˈkafɪneɪtɪd/.

Words near caffeinated in the dictionary

  1. caffeic
  2. caffeic acid
  3. caffein
  4. caffeina
  5. caffeinate
  6. caffeinated
  7. caffeinates
  8. caffeinating
  9. caffeinator
  10. caffeinators
  11. caffeine

Source and license

Adapted from Wiktionary: caffeinated (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-au-caffeinated.ogg.

Cite this entry: “caffeinated.” Word.ws, https://word.ws/caffeinated. Based on Wiktionary, CC BY-SA 4.0.