Chemical, biological, radiological, and nuclear weapons that cause damage, destroy, or contaminate an extraordinarily wide area or inflict wide-scale sickness, death, or injury.

Weapons that are capable of a high order of destruction and/or of being used to destroy large numbers of people. It includes Nuclear Weapons, and biological, chemical, and Radiation Weapons.

Any human-made weapon causing indiscriminate large-scale death or destruction, especially a biological weapon, chemical weapon, nuclear weapon or radiological weapon.