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We found 38 dictionaries with English definitions that include the word heroin:
Click on the first link on a line below to go directly to a page where "heroin" is defined.

General dictionaries General (28 matching dictionaries)
  1. heroin: Merriam-Webster.com [home, info]
  2. heroin: Oxford Learner's Dictionaries [home, info]
  3. heroin: American Heritage Dictionary of the English Language [home, info]
  4. heroin: Collins English Dictionary [home, info]
  5. heroin: Vocabulary.com [home, info]
  6. heroin: Macmillan Dictionary [home, info]
  7. Heroin, heroin: Wordnik [home, info]
  8. heroin: Cambridge Advanced Learner's Dictionary [home, info]
  9. heroin: Wiktionary [home, info]
  10. heroin: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. heroin: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. heroin: Infoplease Dictionary [home, info]
  13. heroin: Dictionary.com [home, info]
  14. heroin: Online Etymology Dictionary [home, info]
  15. heroin: UltraLingua English Dictionary [home, info]
  16. heroin: Cambridge Dictionary of American English [home, info]
  17. Heroin(e), Heroin (Billy Idol song), Heroin (Buck-Tick song), Heroin (The Velvet Underground song), Heroin (Z-Ro album), Heroin (album), Heroin (band), Heroin (disambiguation), Heroin: Wikipedia, the Free Encyclopedia [home, info]
  18. heroin: Rhymezone [home, info]
  19. Heroin (nt), heroin: AllWords.com Multi-Lingual Dictionary [home, info]
  20. heroin: All About Homonyms [home, info]
  21. heroin: Free Dictionary [home, info]
  22. heroin: Mnemonic Dictionary [home, info]
  23. heroin: WordNet 1.7 Vocabulary Helper [home, info]
  24. heroin: LookWAYup Translating Dictionary/Thesaurus [home, info]
  25. heroin: Dictionary/thesaurus [home, info]
  26. heroin: Wikimedia Commons US English Pronunciations [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. heroin: Encyclopedia [home, info]

Medicine dictionaries Medicine (8 matching dictionaries)
  1. Heroin: MedTerms.com Medical Dictionary [home, info]
  2. Heroin: Medical Dictionary [home, info]
  3. Heroin: Merck Manuals [home, info]
  4. heroin: online medical dictionary [home, info]
  5. HEROIN: Probert Encyclopaedia of Medicine [home, info]
  6. heroin: Dictionary of Cancer Terms [home, info]
  7. heroin: Medical dictionary [home, info]
  8. Heroin: Drug Medical Dictionary [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. Heroin: Totally Unofficial Rap [home, info]

(Note: See heroins for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (heroin)

noun:  a narcotic that is considered a hard drug; a highly addictive morphine derivative; intravenous injection provides the fastest and most intense rush

▸ Also see heroins
Word origin

Words similar to heroin

Usage examples for heroin

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Popular adjectives describing heroin

Words that often appear near heroin

Rhymes of heroin

Invented words related to heroin

Phrases that include heroin:   heroin addiction, heroin overdose, hospital heroin, better than heroin, heroin accent, more...

Words similar to heroin:   h, horse, junk, scag, shit, smack, diacetyl morphine, skag, more...

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