毒|どくdoku[2]odaka (tail-high)

1. nounpoison; toxicant; venom
   この魚さかなは毒どくがない。↗

   This fish is free from poison.
2. nounharm; evil influence
3. nounill will; spite; malice
4. nounabusive language

• Synonym毒素どくそNeutralA toxin: a poisonous substance produced inside living things, as in 「細菌の毒素」; leans medical and biological.
• Synonym毒物どくぶつWrittenWritten/formal term for a toxic substance of either chemical or biological origin, as in 「毒物混入事件」; leans legal and chemical. 「毒」 is more everyday and also figurative.
• Synonym毒薬どくやくNeutralA drug whose toxicity is very strong, as in 「毒薬を盛る」; 「毒」 broadly covers poisonous substances and figurative harm.
• Synonym害毒がいどくWrittenWritten term for harm to mind, body, or public morals, as in 「社会に害毒を流す」; mainly figurative.
• Antonym薬くすりNeutralMedicine that treats illness; the opposite of 「毒」, as in 「毒にも薬にもならない」.

Use 「毒」 for poison in general and for figurative harm. 「毒素」 is a toxin made within organisms (medical/biological); 「毒物」 is the formal, legal/chemical term; 「毒薬」 a strongly toxic drug; 「害毒」 harm to society; 「薬」 is the opposite.

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

1. 生物せいぶつの体内たいないに入はいると、その生命せいめい活動かつどうに障害しょうがいを生しょうじさせる物質ぶっしつ。毒薬どくやく。ポイズン。
2. ためにならないもの。害悪がいあく。
3. （「毒舌どくぜつ」より）人前ひとまえでの遠慮えんりょのない批判ひはん。言動げんどうから感かんじられる悪意あくい。