American English

Definition of havoc noun from the Oxford Advanced American Dictionary

 

havoc

 noun
noun
NAmE//ˈhævək//
 
[uncountable]
 
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a situation in which there is a lot of damage, destruction, or confusion The floods caused havoc throughout the area. Continuing strikes are beginning to play havoc with the national economy. These insects can wreak havoc on crops.
See the Oxford Advanced Learner's Dictionary entry: havoc