n. An opiate antagonist used to treat opioid dependence
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an oral antagonist against the action of opiates
Word Usage
"Contrave is a combination of naltrexone, which is used to treat alcohol and drug addiction, and buproprion, which is sold as Wellbutrin when used as an antidepressant and Zyban when used to help people quit smoking."