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poisonous

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adjective poi·son·ous \ˈpȯiz-nəs, ˈpȯi-zən-əs\

Simple Definition of poisonous

  • : causing sickness or death by entering or touching the body : containing poison

  • : capable of putting poison into another animal's body by biting it

  • : very harmful or unpleasant

Full Definition of poisonous

  1. 1 :  destructive, harmful

  2. 2 :  having the properties or effects of poison :  venomous

  3. 3 :  spiteful, malicious

poi·son·ous·ly adverb

Examples of poisonous

  1. Chocolate is poisonous to dogs.

  2. This species of spider is extremely poisonous.



1565

First Known Use of poisonous

1565


POISONOUS Defined for Kids

poisonous

play
adjective poi·son·ous \ˈpȯi-zən-əs\

Definition of poisonous

  1. :  containing poison :  having or causing an effect of poison <poisonous mushrooms>




Medical Dictionary

poisonous

play
adjective poi·son·ous \ˈpȯiz-nəs, -ən-əs\

Medical Definition of poisonous

  1. :  having the properties or effects of poison :  venomous





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