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poisonous vs. venomous

[poi-zuh-nuhs] / ˈpɔɪ zə nəs /

adjective

  1. full of or containing poison.

    poisonous air; a poisonous substance.

  2. harmful; destructive.

    poisonous to animals; poisonous rumors.

  3. deeply malicious; malevolent.

    poisonous efforts.

[ven-uh-muhs] / ˈvɛn ə məs /

adjective

  1. (of an animal) having a gland or glands for secreting venom; able to inflict a poisoned bite, sting, or wound.

    a venomous snake.

  2. full of or containing venom; poisonous.

    a venomous wound; a venomous potion.

  3. spiteful; malignant.

    a venomous attack; a venomous tongue.

    Synonyms:
    ill-disposed, rancorous, hostile, malicious