ravage

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To bring heavy destruction on; devastate.
• intransitive verb To pillage; sack.
• intransitive verb To wreak destruction.
• noun The act or practice of pillaging or destroying.
• noun Destruction, damage, or harm.
• noun Destructive or harmful effects.

from The Century Dictionary.

• noun Desolation or destruction wrought by the violent action of men or beasts, or by physical or moral causes; devastation; havoc; waste; ruin: as, the ravage of a lion; the ravages of fire or tempest; the ravages of an invading army; the ravages of passion or grief.
• noun Synonyms Pillage, plunder, spoliation, despoilment. These words all apply not to the treatment of people directly, but to the destruction or appropriation of property.
• To desolate violently; lay waste, as by force, storm, etc.; commit havoc on; devastate; pillage; despoil.
• Synonyms To plunder, waste. See the noun.

from the GNU version of the Collaborative International Dictionary of English.

• noun Desolation by violence; violent ruin or destruction; devastation; havoc; waste
• transitive verb To lay waste by force; to desolate by violence; to commit havoc or devastation upon; to spoil; to plunder; to consume.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb transitive To devastate or destroy something
• verb transitive To pillage or sack something, to lay waste to something
• verb intransitive To wreak destruction
• noun Grievous damage or havoc
• noun Depredation or devastation

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb cause extensive destruction or ruin utterly
• verb make a pillaging or destructive raid on (a place), as in wartimes
• noun (usually plural) a destructive action