American English

Definition of unsuspecting adjective from the Oxford Advanced American Dictionary

 

unsuspecting

 adjective
adjective
NAmE//ˌʌnsəˈspɛktɪŋ//
 
[usually before noun]
 
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feeling no suspicion; not aware of danger or of something bad He had crept up on his unsuspecting victim from behind.
See the Oxford Advanced Learner's Dictionary entry: unsuspecting