Meaning & use
poison
A substance capable of causing illness or death when ingested, absorbed, or introduced into a living organism.
See it in a sentence
The mystery novel revolved around a rare poison slipped into the victim's tea.
Certain mushrooms contain poison that can be fatal if eaten raw.
A note on using this word
"Toxin" is used mainly for biologically produced poisons, while "venom" refers specifically to poison injected by animals.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
Another way to use it
2. verb
To harm or kill with a toxic substance, or to corrupt something harmful.
The rumors began to poison the trust between the two former friends.
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