poisonousadjective
uk/ˈpɔɪ.zən.əs/us/ˈpɔɪ.zən.əs/B2 very harmful and able to cause illness or death:
poisonous chemicals
Can you tell the difference between poisonous mushrooms and edible varieties?
B2 A poisonous animal or insect uses poison in order to defend itself:
a poisonous snake
very unpleasant and unkind:
He said some poisonous things to me.
More examples
- Carbon monoxide is a colourless, odourless, poisonous gas.
- These normally harmless substances combine to form a highly poisonous gas.
- Thousands of fish were killed as a result of a discharge of poisonous chemicals from a nearby factory.
- Fungus can be poisonous.
- The chemicals can be poisonous if ingested.
Thesaurus: synonyms and related words
Poisoning and allergy
- delirium tremens
- hypersensitivity
- hypoallergenic
- intolerance
- lactose intolerance
- lead poisoning
- listeriosis
- poison
- poisoner
- poisoning
- reaction
- ricin
- salmonella
- strychnine
- the DTs
- toxic
- toxicity
- toxicology
- toxin
- trigger food
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You can also find related words, phrases, and synonyms in the topics:
Saddening, shocking and upsetting