Definition of aggressor in English:



  • A person or country that attacks another first.

    • ‘Experience shows that some states are aggressors, not protectors.’
    • ‘The very fact of such a decision would in itself restore the balance of perceptions on the part of our allies and our potential aggressors.’
    • ‘For over 50 years our country, with our allies, has sought to avoid war by deterring potential aggressors.’
    • ‘The target is attacked circuitously and the aggressor can therefore remain unidentified.’
    • ‘The most moral and just use of violence is to pick up the gun to repel an intruder, an aggressor, an invader.’
    • ‘Gain an understanding of the aggressor's body language, and the rituals of aggression and deception that he will use against you.’
    • ‘One policeman knelt by the impotent aggressor and talked to him quietly.’
    • ‘So I'd attack my aggressors whether they were stronger than me or not.’
    • ‘In both cases the nations of Europe went to war against an aggressor.’
    • ‘If they continue repulsing air attacks the aggressor might reject the idea of developing invasion.’
    • ‘Tell the people killed or injured in a first strike by an aggressor that they are protected by the moral high ground.’
    • ‘What was it that inspired the nation to repel the aggressors against all the odds?’
    • ‘Plants have developed elaborate mechanisms to protect themselves from invading pathogens and aggressors.’
    • ‘He claimed he raised his foot to protect himself but the prosecution suggested he was the aggressor.’
    • ‘If one looks at the history, according to every witness the accused was the aggressor and was aggressive all the way through.’
    • ‘All the nations, the victims now become victors, the aggressors now defeated, once again assumed their positions in the political order.’
    • ‘An aggressor might see a country whose armed forces project a poor public image as an easy target.’
    • ‘In the case of international aggression this must be the aggressor as well as victims of aggression.’
    • ‘Nations that start wars are considered aggressors, and are judged harshly by both history and their peers.’
    • ‘Perhaps the grab has been accompanied by a knee, or a second aggressor is waiting to attack.’
    attacker, assaulter, assailant, invader
    instigator, provoker, initiator, warmonger, offender
    View synonyms


Mid 17th century: from late Latin, from aggredi to attack (see aggression).