Disorder or chaos: a wild party that created havoc in the house. (noun)
To destroy or pillage.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "havoc" in a sentence
"The threat of the havoc is more bark than bite, though; although we see some of the effects of the fast burn, they are somewhat downplayed in favor of Constance's relationships with he mother and her partner, Andy."
"Things are tearing apart all over the places, bloody havoc is being committed, the planet's coming apart at the seams ... and this inspires hair-tearing and chest-beating and rending of garments across the land?"
"Props 1A-1F must be defeated, because they would wreak long-term havoc on the state."