Havoc

Part of speech: noun (n.)

Wide and general destruction; devastation; waste. As for Saul, he made havoc of the church. Acts viii. 3. Ye gods, what havoc does ambition make Among your works! Addison.

Part of speech: verb (v.)

To devastate; to destroy; to lay waste. To waste and havoc yonder world. Milton.

Part of speech: interjection (interj.)

A cry in war as the signal for indiscriminate slaughter. Toone. Do not cry havoc, where you should but hunt With modest warrant. Shak. Cry 'havoc,' and let slip the dogs of war! Shak.