English

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

 

imperil

 verb
verb
BrE BrE//ɪmˈperəl//
 
; NAmE NAmE//ɪmˈperəl//
 
Verb Forms present simple I / you / we / they imperil
BrE BrE//ɪmˈperəl//
 
; NAmE NAmE//ɪmˈperəl//
 
he / she / it imperils
BrE BrE//ɪmˈperəlz//
 
; NAmE NAmE//ɪmˈperəlz//
 
past simple imperilled
BrE BrE//ɪmˈperəld//
 
; NAmE NAmE//ɪmˈperəld//
 
past participle imperilled
BrE BrE//ɪmˈperəld//
 
; NAmE NAmE//ɪmˈperəld//
 
(US English) past simple imperiled
BrE BrE//ɪmˈperəld//
 
; NAmE NAmE//ɪmˈperəld//
 
(US English) past participle imperiled
BrE BrE//ɪmˈperəld//
 
; NAmE NAmE//ɪmˈperəld//
 
-ing form imperilling
BrE BrE//ɪmˈperəlɪŋ//
 
; NAmE NAmE//ɪmˈperəlɪŋ//
 
(US English) -ing form imperiling
BrE BrE//ɪmˈperəlɪŋ//
 
; NAmE NAmE//ɪmˈperəlɪŋ//
 
 
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imperil something/somebody (formal) to put something/somebody in danger synonym endanger To ignore this challenge would be to imperil all law and order. Word Origin late Middle English: from peril, probably on the pattern of endanger.
See the Oxford Advanced American Dictionary entry: imperil