noun ·Moderate ·High school level

Definitions

Noun

1. 1
   A crystalline alkaloid (4,5-epoxy-17-methyl-7,8-didehydromorphinan-3,6-diol), extracted from opium, the salts of which are soluble in water and are used as analgesics, anaesthetics and sedatives; it is one of a group of morphine alkaloids. countable, uncountable
2. 2
   an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve pain wordnet

Synonyms

All synonyms

morphiaalcoholamobarbital sodiumamytalamytal pillanalgesic

Example

More examples

"She was kept under with morphine injections."

Etymology

Borrowed from French morphine or German Morphin, from Ancient Greek Μορφεύς (Morpheús, “the god and personification of dreams”).

Related phrases

morphine alkaloidnumbing drugpain killerpain relief

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.