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English definition of “detective”

detective

noun [C]     /dɪˈtek.tɪv/
B1 someone whose job is to discover information about crimes and find out who is responsible for them: a private detective detective storiesRelating to detection and solving crimesPeople who work for the police service used as part of the title of particular ranks in the police force: Detective Sergeant LewisPeople who work for the police service
(Definition of detective noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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