poison

US /ˈpɔɪ.zən/
UK /ˈpɔɪ.zən/
"poison" picture
1.

a substance that is capable of causing the illness or death of a living organism when introduced or absorbed.

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The detective suspected the victim was killed by poison.
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Keep all household poisons out of reach of children.
:
toxinvenombane
1.

administer poison to (a person or animal), especially with criminal intent.

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The killer tried to poison his victim with a tainted drink.
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The factory illegally dumped waste that could poison the river.
:
contaminatepollutetaint
2.

have a harmful or destructive effect on.

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His negative attitude began to poison the team's morale.
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Gossip can poison relationships and trust.
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corruptspoilruindestroyundermine
:
poisonousfood poisoning