poison

Pronunciation: /ˈpɔɪ.zən/

The English word “poison” has 10 meanings listed here.

noun

A substance that is harmful or lethal to a living organism when ingested.
Anything harmful to a person or thing.
An alcoholic drink. (Mainly in the phrases "name your poison" and "what's your poison?")
Any substance that inhibits catalytic activity.

verb

To use poison to kill or paralyse (somebody).
To pollute; to cause to become poisonous.
To cause to become much worse.
To cause (someone) to hate or to have unfair negative opinions.
To inhibit the catalytic activity of.
To place false or malicious data into (a cache, etc.) as part of an exploit.

Etymology

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 and lybb. See more at atter.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.