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private investigator

private investigator

64 3.7
A person hired to find facts about crimes or private matters who is not a police officer
  • noun
  • /ˈpraɪvɪt ɪnˈvɛstɪɡeɪtər/
translation icon : investigador privado
  • She hired a private investigator to gather evidence for her divorce case.

But then we had a dude in the woods, this guy, Detective Mike, and he, everybody said that he was private investigator.

Examples

  • Many people turn to a private investigator when they need help finding a missing person.

  • Billy is a private investigator.

  • So do I hire the private investigator or do I not?

  • We can hire a private investigator -to track her down.

  • There was no reason why a private investigator from New York should have been looking for him.

    Fiction book (2000)
  • I need to speak with the talented private investigator.

  • Brendon was now a licensed private investigator, taking only cases that interested him.

    Fiction book (1992)
  • My name is Douglas Cartland, I'm a private investigator.

  • I'm a private investigator.

  • She's a private investigator.

Synonyms

detective
vsprivate investigator
2.7

A police officer who investigates crimes and finds out what happened

is distinct as a hired role separate from official law enforcement work
private detective
vsprivate investigator
30 3.4

A person who is not a police officer and is paid to investigate crimes

is the same meaning expressed with an alternate common wording
private eye
vsprivate investigator
  • Informal
24 4.2

A person hired to find out information for someone, often about crimes

is the neutral formal label for that same hired role
sleuth
vsprivate investigator
14 5.6

A person who investigates crimes and follows clues

is used specifically for a hired person working to find information
PI
vsprivate investigator
13 3.7

A person hired to find missing people or information

is the full phrase used for that hired information role
tracer
vsprivate investigator
8 6.8

A person who finds missing people or stolen goods

covers a wider hired role that finds many types of information
gumshoe
vsprivate investigator
  • Archaic
5 8.4

A detective who works quietly and follows people to find facts

is the common label for someone hired to find information
private dick
vsprivate investigator
  • Archaic
4 8.8

A person hired to find facts or solve crimes for paying clients

is the more neutral professional term rather than the colloquial name
shamus
vsprivate investigator
  • Archaic
2 9.9

A person paid to find information about crimes or people

is the standard professional term for that same hired role
inquiry agent
vsprivate investigator
6.5

A private detective hired to find information for people or businesses

is the general label for the same client-focused fact collector
sleuthhound
vsprivate investigator
  • Archaic
9.9

A person who carefully follows clues to solve mysteries

is the hired information role applied in private investigations rather than general mystery solving

How Formal

private investigator
64 3.7
private eye
  • Informal
24 4.2
private dick
  • Archaic
4 8.8

Surface Forms

Morphology

private + investigator

The meaning is compositional: 'private' (not public; hired or personal) combined with 'investigator' (someone who investigates) straightforwardly yields 'an investigator hired privately, not a police officer.' Although 'investigator' can sometimes suggest a police role, the modifier 'private' disambiguates the sense, and this construction is cross‑linguistically common, so a B1 learner who knows both words would readily infer the MWE meaning.

Etymology

Private investigator comes from the idea of someone who is private, working for one client, and an investigator, someone who looks for facts. So it means 'a person hired to find information who is not a police officer'.