English Dictionary

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poison (ˈpɔɪzən



  1. any substance that can impair function, cause structural damage, or otherwise injure the body related adjective ▶ Related adjective: toxic
  2. something that destroys, corrupts, etc   ⇒  ■ the poison of fascism
  3. a substance that retards a chemical reaction or destroys or inhibits the activity of a catalyst
  4. a substance that absorbs neutrons in a nuclear reactor and thus slows down the reaction. It may be added deliberately or formed during fission
  5. See what's your poison?


verb (transitive)

  1. to give poison to (a person or animal) esp with intent to kill
  2. to add poison to
  3. to taint or infect with or as if with poison
  4. (followed by against) to turn (a person's mind) against   ⇒  ■ he poisoned her mind against me
  5. to retard or stop (a chemical or nuclear reaction) by the action of a poison
  6. to inhibit or destroy (the activity of a catalyst) by the action of a poison

Derived Forms

ˈpoisoner  noun

Word Origin

C13: from Old French puison potion, from Latin pōtiō a drink, esp a poisonous one, from pōtāre to drink


View thesaurus entry
= toxin, venom, bane (archaic)
= give someone poison, murder, kill, administer poison to
= contaminate, lace, spike, tamper with, doctor, adulterate, put poison in

Translations for 'poison'

  • British English: poison Poison is a substance that harms or kills people or animals if they swallow or absorb it.Mercury is a known poison.ˈpɔɪzn NOUN
  • Arabic: سُمّ
  • Brazilian Portuguese: veneno
  • Chinese: 毒药
  • Croatian: otrov
  • Czech: jed
  • Danish: gift
  • Dutch: vergif
  • European Spanish: veneno
  • Finnish: myrkky
  • French: poison
  • German: Gift
  • Greek: δηλητήριο
  • Italian: veleno
  • Japanese:
  • Korean: 독소
  • Norwegian: gift
  • Polish: trucizna
  • Portuguese: veneno
  • Romanian: otravă otrăvuri
  • Russian: яд
  • Spanish: veneno
  • Swedish: gifttoxin
  • Thai: ยาพิษ
  • Turkish: zehir
  • Ukrainian: отрута
  • Vietnamese: thuốc độc
  • British English: poison To poison someone or something means to give poison to them or to add poison to them, causing them harm.There were rumours that she had poisoned him.ˈpɔɪzn VERB
  • Arabic: يُسَمِّمُ
  • Brazilian Portuguese: envenenar
  • Chinese: 放毒
  • Croatian: otrovati
  • Czech: otrávit
  • Danish: forgifte
  • Dutch: vergiftigen
  • European Spanish: envenenar
  • Finnish: myrkyttää
  • French: empoisonner
  • German: vergiften
  • Greek: δηλητηριάζω
  • Italian: avvelenare
  • Japanese: 毒を盛る
  • Korean: 독을 넣다
  • Norwegian: forgifte
  • Polish: otruć truć
  • Portuguese: envenenar
  • Romanian: a otrăvi
  • Russian: отравлять
  • Spanish: envenenar
  • Swedish: förgifta
  • Thai: วางยาพิษ
  • Turkish: zehirlemek
  • Ukrainian: труїти отруїти
  • Vietnamese: đầu độc

Example Sentences Including 'poison'

The poison will be leaked into the Royal ear within an hour, is my guess.
Kippax, Frank The Scar
He was clever and articulate, politically aware, and capable of impressing even magistrates who hated queers like poison.
Kippax, Frank The Scar
Not just to get the cyanide in and into Tony's coffee, but to get hold of the poison in the first place.
Adam, Paul A Nasty Dose of Death


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