catflap.org Online Dictionary Query

  unprovoked attack /ʌnpɹəvˈəʊkt ɐtˈak/
  nichtprovozierter Angriff
   see: attack, assault, attacks, assaults, diversionary attack, diversionary assault, ground attack, ground assault, drone attack, drone assault, armed attack, armed assault, saturation attack, saturation assault, sneak attack, sneak assault, Attack is the best form/means of defense.