毒(どく) どく noun poison, toxin health 1. poison, toxin, venom A substance that causes illness, injury, or death when ingested or absorbed; also includes animal venom. 毒(どく)を盛(も)る。🔊 To poison someone. この蛇(へび)には毒(どく)がある。🔊 This snake is venomous. 毒(どく)キノコを食(た)べてしまった。🔊 I accidentally ate a poisonous mushroom. 2. something harmful Figuratively, something that has a harmful or corrupting influence. 甘(あま)い物(もの)は食(た)べすぎると体(からだ)に毒(どく)だ。🔊 Too many sweets are bad for your health. Figurative use 毒(どく)にも薬(くすり)にもならない。🔊 It's neither harmful nor helpful. Set expression meaning something is completely ineffective Common patterns毒(どく)を盛(も)る (to poison)毒(どく)がある (to be poisonous/venomous)毒(どく)を吐(は)く (to speak venomously, to badmouth)毒(どく)キノコ (poisonous mushroom)毒(どく)蛇(へび) (venomous snake)Compounds毒薬(どくやく) (poison, toxic substance)解毒(げどく) (detoxification)中毒(ちゅうどく) (poisoning, addiction)毒性(どくせい) (toxicity)毒舌(どくぜつ) (a sharp tongue, biting remarks)Common expressions毒(どく)にも薬(くすり)にもならない (neither harmful nor helpful - useless)毒(どく)を食(く)らわば皿(さら)まで (in for a penny, in for a pound) Related Words Related: 薬(くすり) (medicine) Related: 中毒(ちゅうどく) (poisoning, addiction) general Added 2026.2.5 11:14 · Revised 2026.10.6 16:39 10000/10052_doku