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Poisonous

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• Poison-pen

  [poi-zuh n-pen] /ˈpɔɪ zənˈpɛn/ adjective 1. composed or sent maliciously, as a letter, usually anonymously and for the purpose of damaging another’s reputation or happiness: The newspaper received a poison-pen letter alleging that the mayor was misusing city funds. 2. characterized by or given to the sending of poison-pen letters: a poison-pen campaign; a poison-pen […]

• Poison-pen letter

  noun 1. a letter written in malice, usually anonymously, and intended to abuse, frighten, or insult the recipient noun phrase A malicious anonymous letter; an obscene crank letter (1929+) A letter, usually anonymous, that makes malicious statements about the recipient or a third party. For example, She told the police about the poison-pen letters, but […]

• Poison-pill

  noun 1. a pellet of a quick-acting poison, as cyanide, for a spy to carry in order to commit suicide when faced with capture or torture. 2. Financial Slang. any of various business devices created to prevent a company from being taken over by another, as issuing a new class of stock or stock warrants […]

• Poison-sumac

  noun 1. a shrub or small tree, Rhus vernix (or Toxicodendron vernix), of swampy areas of the eastern U.S., having pinnate leaves and causing severe dermatitis when touched by persons sensitive to it. poison sumac n. A swamp shrub of the southeast United States, having compound leaves and greenish-white berries and causing an itching rash […]

• Poison sumach

  noun 1. an anacardiaceous swamp shrub, Rhus (or Toxicodendron) vernix of the southeastern US, that has greenish-white berries and causes an itching rash on contact with the skin Also called poison dogwood, poison elder See also sumach

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