private eye

From Wiktionary, the free dictionary

English

Etymology

From private investigator and its abbreviation P.I., through the homophonic term eye in place of "I", and the use of "eye" as a reference to surveillance.

Pronunciation

Noun

private eye (plural private eyes)

  1. (idiomatic) A private personal detective, employed to gather information about someone.

Synonyms

Translations

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