caffeinated

1 of 2

adjective

caf·​fein·​at·​ed ˈka-fə-ˌnā-təd  -fē-ə- 

1

: stimulated by or as if by caffeine

caffeinated workers

caffeinated rhythms of electronic music

—Marc Weingarten

2

: containing caffeine

caffeinated coffee

caffeinated

2 of 2

past tense and past participle of caffeinate

Examples of caffeinated in a Sentence

Recent Examples on the Web

Adjective

The doctors’ group, Protect Young Fans, warns of the potential health risks posed by highly caffeinated drinks like Monster Energy, particularly to children and adolescents, citing a growing body of scientific research across the medical spectrum. — Daniel Libit, Sportico.com, 3 Sep. 2026

Drinking up to five cups of caffeinated coffee a day, its authors wrote, has been linked to a lower risk of heart attack, diabetes, stroke and irregular heartbeat. — Mary Randolph, Scientific American, 11 Aug. 2026

The Hibiscus Sol-Mate ($7) was a blend of (slightly caffeinated) yerba mate, hibiscus, rose, peppermint and lemongrass, with a fresh lemon slice and a hint of agave. — Deborah Vankin, Los Angeles Times, 11 Aug. 2026

Once re-caffeinated, walk through pretty St Luke’s Square to Trg od Drva, or Wood Square. — Jonathan Wiggin, Condé Nast Traveler, 6 Aug. 2026

Word History

First Known Use

Adjective

circa 1896, in the meaning defined at sense 2

Rhymes for caffeinated

• abdicated
• abrogated
• acclimated
• activated
• actuated
• adumbrated
• advocated
• aggravated
• aggregated
• agitated
• allocated
• alternated

Kids Definition

caffeinated

adjective

caf·​fein·​at·​ed ˈkaf-ə-ˌnāt-əd 

1

: stimulated by or as if by caffeine

2

: containing caffeine

caffeinated coffee