A nonsteroidal anti-inflammatory medicine used to relieve the pain of arthritis and as an analgesic and antipyretic; Advil and Motrin and Nuprin are trademarks of brands of ibuprofen tablets.

a nonsteroidal anti-inflammatory medicine (trade names Advil and Motrin and Nuprin) used to relieve the pain of arthritis and as an analgesic and antipyretic