/ Thesaurus / H Synonyms of hydromorphone hydrochloride Find synonyms for: Noun1. hydromorphone hydrochloride, hydromorphone, Dilaudid, analgesic, anodyne, painkiller, pain pillusage: a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe painWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language