Poison Meaning

/ˈpɔɪ.zən/
B1

Definition, CEFR level B1, pronunciation, examples, and quiz.

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nounA substance that is harmful or lethal to a living organism when ingested.

nounAnything harmful to a person or thing.

If your child drinks poison, rush him to the hospital.
I got a rash from poison ivy.
Some mushrooms contain a deadly poison.
CEFR Practice Quiz
The detective found white powder in the victim's drink, which turned out to be a deadly ____.
CEFR Practice Quiz (Alternate)
The detective discovered that the victim had been given a slow-acting ____ in his evening drink.

From Middle English poysoun, poyson, pusoun, from Old French poison, poisun, from Latin pōtiōnem (“drink, a draught, a poisonous draught, a potion”), from pōtō (“to drink”). See also potion and potable (from the same root). Mostly displaced native Old English ātor. See more at atter.

"Awaie with the Rebels ſuffer them not to ſpeake, His words are poyſon in the eares of the people, […]" — 1593, anonymous author, The Life and Death of Iacke Straw […], →OCLC, Act IV:
"The temperature effect of poisons. The influence of poison on the catalyst can be different with the change of reaction conditions." — 2013, Huazhang Liu, Ammonia Synthesis Catalysts: Innovation and Practice, page 693:
"In this technique, the hacker poisons the cache to launch malware into Web pages." — 2013, Ronald L. Mendell, Investigating Information-based Crimes, page 93:

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CEFR Practice Quiz
The detective found white powder in the victim's drink, which turned out to be a deadly ____.
CEFR Practice Quiz (Alternate)
The detective discovered that the victim had been given a slow-acting ____ in his evening drink.

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