Other bite attacks may be apparently unprovoked. Seizures may be divided into provoked and unprovoked. The helicopter launches depth charges in an unprovoked act of aggression. Pet ferrets attacks that were unprovoked have caused serious facial injuries. Coker told police the attack was unprovoked. Modern-day statistics show the oceanic whitetip shark as seldom being involved in unprovoked attacks. The attack appeared to be completely unprovoked. The violence was unprovoked, disproportional and excessive. Both display an oppressive command style and are prone to unprovoked angry outbursts. Every year, around 80 unprovoked attacks are reported worldwide. He thus characterized the attack as "unprovoked" since the ship had been in international waters. Governor Phillip was convinced the attack on McEntire had been unprovoked. Unprovoked seizures may be triggered by stress or sleep deprivation. It is diagnosed in a person having recurrent, unprovoked seizures. Reason for operation was outrageous and unprovoked discourtesy and poisonous cheesecake.