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Another word for poison

a-z
Noun
  1. Anything that is injurious, destructive, or fatal

      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.
      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:
      1. A poisonous substance, especially a protein, that is produced by living cells or organisms and is capable of causing disease when introduced into the body tissues but is often also capable of inducing neutralizing antibodies or antitoxins.
      2. A poisonous or harmful nonbiological substance, such as a pollutant.
      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.
      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.
      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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  2. One that contaminates

    See also:

    clean

Verb
  1. To make physically impure

      1. To make unfit for or harmful to living things, especially by the addition of waste matter.
      2. To make less suitable for an activity, especially by the introduction of unwanted factors:
      3. To render impure or morally harmful; corrupt:
      1. Offensive to the senses; revolting:
      2. Having a bad odor or taste:
      3. Rotten or putrid:
      1. To make filthy or dirty; pollute:
      2. To debase the pureness or excellence of; corrupt:
      3. To profane or sully (a reputation, for example).
      1. To make impure or unclean by contact or mixture.
      2. To expose to or permeate with radioactivity.
      3. To influence the semantic properties or phonological form of (a word or phrase); blend with:
    See also:

    clean

  2. To have a destructive effect on

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Adjective
  1. Capable of injuring or killing by poison

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Another word for poison

Verb