Breadcrumb Home > Thesaurus Cite Synonyms of morphine Find synonyms for: Noun1. morphine, morphia, opiate, analgesic, anodyne, painkiller, pain pillusage: an alkaloid narcotic drug extracted from opium; a powerful, habit-forming narcotic used to relieve painWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: morphine (Dictionary) Related Content Daily Word Quiz: recherch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index