Noun has 1 sense

• isobutylphenyl propionic acid(n = noun.artifact) advil, ibuprofen, motrin, nuprin - a nonsteroidal anti-inflammatory and analgesic medicine (trade names Advil and Motrin and Nuprin) used to relieve the pain of arthritis and as an antipyretic; "daily use of ibuprofen can irritate the stomach"