Phrase guide

orphan drug

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A medicinal drug which is effective in the treatment of some disease(s), but which is not manufactured or marketed because the demand is insufficient to cover the costs of supply.

Definition source: English Wiktionary via Wiktextract

Examples

  • Tragically, her disease is so rare that the only effective medicine is an orphan drug.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A drug as defined under the Orphan Drug Act (1983).

Definition source: English Wiktionary via Wiktextract

Usage: US

Topics: law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

15 source translations are retained for this English entry.

  • Chinese Mandarin: 孤兒藥 /孤儿药 (gū'éryào) — Translations
  • Dutch: weesgeneesmiddel — Translations
  • Finnish: orpolääke — Translations
  • French: médicament orphelin — Translations
  • German: Orphan-Arzneimittel — Translations
  • Greek: ορφανό φάρμακο (orfanó fármako) — Translations
  • Italian: farmaco orfano — Translations
  • Japanese: 希少疾病用医薬品 — Translations
  • Portuguese: medicamento órfão — Translations
  • Romanian: medicament orfan — Translations
  • Russian: орфанные препараты (orfannyje preparaty) — Translations
  • Spanish: medicamento huérfano — Translations
  • Swedish: särläkemedel — Translations
  • Turkish: yetim ilaç — Translations
  • Vietnamese: thuốc mồ côi — Translations