Poisonous meaning

poi'zə-nəs
Capable of injuring or killing by or as by poison; containing, or having the effects of, a poison; toxic; venomous.
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Containing or being a poison.

Poisonous fumes.

adjective
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Capable of harming or killing by poison.

Poisonous tentacles.

adjective
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Containing sufficient poison to be dangerous.
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(of an animal) Inedible due to containing poison; poisonous to eat.
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Origin of poisonous

  • From poison +"Ž -ous
    From Wiktionary