nalbuphine in English dictionary nalbuphine Meanings and definitions of "nalbuphine" A synthetic opioid used commercially as an analgesic. noun A synthetic opioid used commercially as an analgesic. more Grammar and declension of nalbuphine nalbuphine ( uncountable) nalbuphine (uncountable) more Sample sentences with "nalbuphine" Declension Stem Try again Available translations Arabic Chinese Dutch Finnish French German Japanese Norwegian Nynorsk Russian Serbian Serbo Croatian Spanish Welsh Authors