ibuprofen

noun

ibu·​pro·​fen ˌī-byu̇-ˈprō-fən 

also ī-ˈbyü-prə-fən

: a nonsteroidal anti-inflammatory drug C₁₃H₁₈O₂ used to relieve pain and fever

Examples of ibuprofen in a Sentence

Recent Examples on the Web

Each tablet contains 200 milligrams of ibuprofen and is one of the best over-the-counter pain relievers for those suffering from conditions such as muscular aches, minor arthritis pain, toothache, backache, menstrual cramps or minor aches. —Bestreviews, Chicago Tribune, 16 Apr. 2026

It is generally not recommended for pregnant women to take ibuprofen, Advil, during pregnancy due to the risk of complications. —Youri Benadjaoud, ABC News, 15 Apr. 2026

Inside are a paperback, a phone charger and a bottle of store-brand ibuprofen. —Rey Covarrubias Jr, USA Today, 15 Apr. 2026

Amalia was treated with ibuprofen by the center’s clinicians, but the fever persisted. —Ian Crouch, New Yorker, 14 Apr. 2026

Word History

Etymology

is- + butyl + propionic acid + -fen (alteration of phenyl)

First Known Use

1967, in the meaning defined above

Rhymes for ibuprofen

• gonadotrophin

Medical Definition

ibuprofen

noun

ibu·​pro·​fen ˌī-byu̇-ˈprō-fən 

: a nonsteroidal anti-inflammatory drug C₁₃H₁₈O₂ used in over-the-counter preparations to relieve pain and fever and in prescription strength especially to relieve the symptoms of rheumatoid arthritis and degenerative arthritis see advil, motrin