poisonous
- adjective
- /ˈpɔɪzənəs/
- Children should be taught not to touch poisonous plants, as they can lead to dangerous reactions.
- a poisonous substance
- poisonous plants
- poisonous snakes
But food doesn't become poisonous just because it's misshapen.
- But food doesn't become poisonous just because it's misshapen.
- They're great big things covered in nasty looking poisonous spines.
- Jesus, it looked like one of those, like poisonous caterpillars.
- Today, the scoop on poisonous plants.
- Yeah, like if you really think about it, yeah, like they're poisonous mushrooms.
- We got to extract a poisonous grouper from Hawaii, one that devastates the reef.
- If we can get some names off this bad boy cause yeah, there's a poisonous mushroom chart.
Examples
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When I was in middle school, a poisonous spider bit my right hand.
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And I gotta check the berries in the morning, make sure they're not poisonous.
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As it happens, the atmosphere is highly poisonous, and if we get the float to the top, we're dead.
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The terrain around that lake is poisonous.
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It's a very poisonous and unstable compound.
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As an additional hazard, the seeds are poisonous to many animals, including humans.
Academic text (1995) -
They have seven or eight of the world's most poisonous snakes live in Australia.
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It makes sense to be afraid of poisonous insects or hungry tigers.
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It's extremely poisonous.
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They're great big things covered in nasty looking poisonous spines.
Synonyms
Likely to cause harm or injury
Able to cause death or serious harm
Containing poison that can cause harm or death
Able to cause death, for example by a weapon or poison
Causing damage to people, animals or things
Harmful to health or strongly unpleasant to the senses
Antonyms
Compounds
- Jargon
A rule that stops courts from using evidence found illegally
Something that can cause serious harm or death when swallowed, touched and breathed
A plant with violet flowers and bright red berries that is very poisonous if eaten
How Poisonous
Surface Forms
Morphology
Etymology
Poisonous comes from the old word poison, which once meant a 'drink' or 'potion' and is like the word potion. So, think of a harmful 'potion'—that's why poisonous describes things that can make you very sick or die.