How to say "heroin" in Japanese
Choosing the right word
- nounThe normal word for the drug heroin, covering its standard sense. Use this in almost any context, from news reports to medical or everyday discussion of the substance.
- 粉こなnounLiterally 'powder' or 'flour'; as slang it can refer to heroin, but it is a vague, colloquial term and not the usual way to name the drug. ヘロイン is almost always the word you want.
For the drug 'heroin', use 「ヘロイン」, the straightforward term; 粉 is a slang word that only sometimes refers to heroin, so avoid it unless you specifically mean street slang.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese equivalents
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