English

Definition of investigative adjective from the Oxford Advanced Learner's Dictionary

  

investigative

 adjective
adjective
BrE BrE//ɪnˈvestɪɡətɪv//
 
; NAmE NAmE//ɪnˈvestɪɡeɪtɪv//
 
(less frequent investigatory
BrE BrE//ɪnˈvestɪɡətəri//
 
; NAmE NAmE//ɪnˈvestɪɡətɔːri//
 
)
[usually before noun]
 
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involving examining an event or a situation to find out the truth The article was an excellent piece of investigative journalism. The police have full investigatory powers.
See the Oxford Advanced American Dictionary entry: investigative