noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A synthetic narcotic analgesic, (4,5 alpha-epoxy-3-hydroxy-17-methyl morphinan-6-one), similar to morphine and heroin. It is used for moderate to severe pain under the trade name Dilaudid. uncountable

   "She hadnʼt needed regular doses of hydromorphone in a month."

2. 2
   a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain wordnet

Synonyms

All synonyms

dihydromorphinonedilaudiddimorphonehydromorphone hydrochloride

Example

More examples

"She hadnʼt needed regular doses of hydromorphone in a month."

Etymology

From (di)hydromorph(ine) + -one.

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