investigative
adjective/ɪnˈvestɪɡətɪv/
/ɪnˈvestɪɡeɪtɪv/
(also less frequent investigatory
[usually before noun]/ɪnˈvestɪɡətəri/
/ɪnˈvestɪɡətɔːri/
)- 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.
Oxford Collocations DictionaryInvestigative is used with these nouns:- commission
- journalism
- journalist
- …
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investigative