Buprenorphine (Subutex Â®) and buprenorphine and naloxone (Suboxone Â®) are used to treat opioid dependence (addiction to opioid drugs, including heroin and narcotic painkillers).
virescent â(comparative more virescent, superlative most virescent) 1  Green-like, greenish. 2  Becoming green.
vivacious. 1  full of life and animation. 2  characterized by an attractive or pleasing liveliness of spirit: now said esp. of a woman.