0 confusion and lack of order, especially causing damage or trouble:
1 confusion and lack of order that result in damage or trouble:
Alarmists feared that the world's population explosion would wreak environmental and economic havoc.
On the other hand, because the parliamentary majorities of the coalitions have not been large, small regional parties can wreak havoc.
In particular, it allowed its soldiers to wreak havoc on civilians during military operations.
Certainly it caused havoc in the minds of people who we know were never compelled to take it.
The working classes suffered the heaviest brunt of the economic havoc.
Aside from all the external concerns, the time factor was playing havoc with his normal working methodology.
Consequently, the political arena has been left dominated by a few who have wreaked total havoc on the country.
The advent of modern travel has wreaked further havoc on the appropriate preposition.
