Anything that is injurious, destructive, or fatal

• virus

  1. Any of various submicroscopic agents that infect living organisms, often causing disease, and that consist of a single or double strand of RNA or DNA surrounded by a protein coat. Unable to replicate without a host cell, viruses are typically not considered living organisms.
  2. A disease caused by a virus.
  3. A computer program or series of commands that can replicate itself and that spreads by inserting copies of itself into other files or programs which users later transfer to other computers. Viruses usually have a harmful effect, as in erasing all the data on a disk.

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  1. Any of various submicroscopic agents that infect living organisms, often causing disease, and that consist of a single or double strand of RNA or DNA surrounded by a protein coat. Unable to replicate without a host cell, viruses are typically not considered living organisms.
  2. A disease caused by a virus.
  3. A computer program or series of commands that can replicate itself and that spreads by inserting copies of itself into other files or programs which users later transfer to other computers. Viruses usually have a harmful effect, as in erasing all the data on a disk.

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• venom

  1. A poisonous secretion of an animal, such as a snake, spider, or scorpion, usually transmitted to prey or to attackers by a bite or sting.
  2. Malice; spite:

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  1. A poisonous secretion of an animal, such as a snake, spider, or scorpion, usually transmitted to prey or to attackers by a bite or sting.
  2. Malice; spite:

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• poison

  1. A substance that causes injury, illness, or death, especially by chemical means.
  2. Something destructive or fatal.
  3. A substance that inhibits another substance or a reaction:

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  1. A substance that causes injury, illness, or death, especially by chemical means.
  2. Something destructive or fatal.
  3. A substance that inhibits another substance or a reaction:

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• contagion

  1. Disease transmission by direct or indirect contact.
  2. A disease that is or may be transmitted by direct or indirect contact; a contagious disease.
  3. The direct cause, such as a bacterium or virus, of a communicable disease.

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  1. Disease transmission by direct or indirect contact.
  2. A disease that is or may be transmitted by direct or indirect contact; a contagious disease.
  3. The direct cause, such as a bacterium or virus, of a communicable disease.

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• canker

  1. Ulceration of the mouth and lips.
  2. An inflammation or infection of the ear and auditory canal, especially in dogs and cats.
  3. A condition in horses similar to but more advanced than thrush.

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  1. Ulceration of the mouth and lips.
  2. An inflammation or infection of the ear and auditory canal, especially in dogs and cats.
  3. A condition in horses similar to but more advanced than thrush.

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• bane

  1. A cause of harm, ruin, or death:
  2. A source of persistent annoyance or exasperation:
  3. Fatal injury or ruin:

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  1. A cause of harm, ruin, or death:
  2. A source of persistent annoyance or exasperation:
  3. Fatal injury or ruin:

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