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weapon - definition and synonyms


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noun [countable] weapon pronunciation in American English /ˈwepən/
Word Forms
  1. 1
    an object that can be used to hurt people or damage property, for example a gun, knife, or bomb

    The murder weapon still hasn’t been found.

    weapons of mass destruction (=weapons that can kill a very large number of people)

    carry a weapon:

    The officers all carried automatic weapons.

  2. 2
    something that helps you to achieve something difficult or to get rid of something bad

    Group pressure is the most powerful weapon we have.

    weapon against:

    an effective weapon against stress



used to describe something which is done more carefully and over a longer period of time …

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the practice of giving birth in the presence of several friends and relatives

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