decaffeinated

adjective

de·​caf·​fein·​at·​ed (ˌ)dē-ˈka-fə-ˌnā-təd 

-fē-ə-

: having the caffeine removed

decaffeinated coffee

decaffeinated tea

Examples of decaffeinated in a Sentence

Recent Examples on the Web

If straight warm water doesn’t sound appealing, Blake suggests adding lemon or brewing an herbal or decaffeinated tea instead. — Justin Laube, EverydayHealth.com, 18 Feb. 2026

Caffeinated coffee can help prevent weight gain, and decaffeinated coffee is more effective at reducing high blood pressure. — Heidi Moawad, Verywell Health, 11 Feb. 2026

Those who consumed decaffeinated coffee found no reduction in dementia risk or subjective cognitive decline. — Nina Shapiro, Forbes.com, 7 Apr. 2026

Even decaffeinated coffee was able to induce rapid changes in microbial composition after reintroduction. — Javier Carbajal, Wired News, 4 May 2026

Word History

First Known Use

1921, in the meaning defined above

Rhymes for decaffeinated

• abbreviated
• accelerated
• accentuated
• accommodated
• acculturated
• accumulated
• acidulated
• adjudicated
• administrated
• adulterated
• affiliated
• agglomerated

Kids Definition

decaffeinated

adjective

de·​caf·​fein·​at·​ed (ˈ)dē-ˈkaf-(ē-)ə-ˌnāt-əd 

: having the caffeine removed

decaffeinated coffee