enemy - definition and synonyms

noun [countable] 

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  1. someone who is opposed to someone else and tries to do them harm

    He must hide from his enemies while he is weak.

    enemy of:

    They had been labelled enemies of the state.

    make an enemy of someone:

    Worst of all is to make an enemy of the Minister.

    make enemies:

    It’s easy to make enemies in a job like this.

    a mortal enemy (=someone who will always be your enemy):

    She looked at her husband as if he were her mortal enemy.

    a political enemy:

    They searched for information on political enemies.

    1. a.
      a country that is fighting another country in a war: can be followed by a singular or plural verb

      We must be ready to resist an assault by sea from this country’s enemies.

      the enemy:

      He had to discourage the enemy from attempting to attack his position.

    2. b.
      relating to a country’s enemy
      enemy attack/troops/aircraft/forces etc:

      The Serbs were determined to halt the enemy attacks.

      Over three hundred enemy aircraft were destroyed.

    3. c.
      something that harms or threatens someone or something
      enemy of:

      Cigarette smoke is the undoubted enemy of a clear fresh complexion.