Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun levallorphan

1 sense of levallorphan

Sense 1
levallorphan, Lorfan -- (drug (trade name Lorfan) that is related to morphine but that counteracts the respiratory depression produced by morphine poisoning but without affecting its analgesic effects)
       => drug -- (a substance that is used as a medicine or narcotic)