薬|くすりkusuri[0]heiban (flat)

1. nounmedicine; pharmaceuticals; (legal) drugs; pill; ointment; salve
   この薬くすりを飲のめば、あなたは頭痛ずつうが治なおるでしょう。↗

   The medicine will cure your headache.
2. nounefficacious chemical (gunpowder, pesticide, etc.)
   この薬くすりはごきぶりを退治たいじするのに効果的こうかてきだ。↗

   This poison is very effective in getting rid of roaches.
3. noun(pottery) glaze
4. noun(illegal) drug; narcoticesp. クスリ
5. nounsmall bribe

• Synonym医薬いやくWrittenWritten word covering both medical treatment and drugs; mostly used in compounds like 「医薬部外品」 and rarely on its own.
• Synonym薬剤やくざいWrittenWritten word for a compounded medicine or chemical agent, as in 「薬剤師」 and 「殺虫剤」.
• Synonym薬品やくひんNeutralCovers drugs and chemical reagents, not only things that treat illness, as in 「化学薬品」.
• Synonym医薬品いやくひんFormalFormal, legal term for drugs used in diagnosis, treatment and prevention.
• RelatedメディスンNeutralLoanword for medicine; rarely used in everyday speech, seen mostly in product names.
• Related薬餌やくじWrittenWritten term for medicine and dietary therapy, or medicine in general; found mainly in classical texts.
• Antonym毒どくNeutralThe opposite of 「薬」: a poison that harms the body, also used figuratively for anything harmful.

For everyday medicine say 「薬」. 「医薬品」 is the formal legal term; 「薬剤」 and 「薬品」 cover chemical preparations; 「医薬」 and 「薬餌」 are written words; 「メディスン」 appears in product names. For something harmful, use 「毒」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. くすり
2. 病気びょうきや傷きずの治療ちりょうのために、飲のんだり塗ぬったりするもの。
3. 人ひととしての成長せいちょうのため役やくに立たつ苦役くえき。
4. 防虫ぼうちゅう、除虫じょちゅうのため散布さんぷするもの。農薬のうやく。
5. 陶器とうきを焼やく際さいにかけ、ガラス様さまの加工かこうをし、水分すいぶんをしみこませなくするもの。うわぐすり、釉薬ゆうやく。