decaf

noun

de·​caf ˈdē-ˌkaf 

: decaffeinated coffee

Examples of decaf in a Sentence

Would you like regular coffee or decaf?

Can I have a decaf, please?

Recent Examples on the Web

According to Hyvernat, instant coffee and decaf are the least healthy. — Marie Bladt, Vogue, 20 Sep. 2026

The specialty-grade arabica coffee comes caffeinated or decaf. — Samantha Conti, Footwear News, 9 July 2026

The study, published in Clinical Gastroenterology and Hepatology, found this link whether people drank regular or decaf, and even among those who added sugar or artificial sweeteners. — Emily Kay Votruba, EverydayHealth.com, 2 July 2026

The group that knowingly drank decaf also improved, though less dramatically. — Samantha Agate, Kansas City Star, 13 June 2026

Word History

Etymology

short for decaffeinated

First Known Use

1956, in the meaning defined above

Kids Definition

decaf

noun

de·​caf ˈdē-ˌkaf 

: decaffeinated coffee