Definition of wreak verb from the Oxford Advanced Learner's Dictionary

 

wreak

 verb
verb
BrE BrE//riːk//
 
; NAmE NAmE//riːk//
 
Verb Forms present simple I / you / we / they wreak
BrE BrE//riːk//
 
; NAmE NAmE//riːk//
 
he / she / it wreaks
BrE BrE//riːks//
 
; NAmE NAmE//riːks//
 
past simple wreaked
BrE BrE//riːkt//
 
; NAmE NAmE//riːkt//
 
past participle wreaked
BrE BrE//riːkt//
 
; NAmE NAmE//riːkt//
 
-ing form wreaking
BrE BrE//ˈriːkɪŋ//
 
; NAmE NAmE//ˈriːkɪŋ//
 
 
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wreak something (on somebody) (formal) to do great damage or harm to somebody/something Their policies would wreak havoc on the economy. He swore to wreak vengeance on those who had betrayed him. Word Origin Old English wrecan ‘drive (out), avenge’, of Germanic origin; related to Dutch wreken and German rächen; compare with wreck, and wretch.
See the Oxford Advanced American Dictionary entry: wreak