Dictionary.com
Thesaurus.com
Synonyms

private investigator

American  

noun

  • private investigators
    plural
  1. private detective. PI, p.i., P.I.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of private investigator

First recorded in 1935–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Epstein hired a private investigator to trace the missing assistant, Anya says.

From BBC ● Jul. 18, 2026

"When I was growing up, I dreamed about becoming a private investigator," she said.

From Science Daily ● Jul. 16, 2026

His friends hired a private investigator and hung fliers begging him to come back.

From The Wall Street Journal ● Jul. 12, 2026

One of those paid, the private investigator Gavin Burrows, seemed to have entered two statements.

From BBC ● Jul. 8, 2026

The general put him in touch with a private investigator named Peter Kalitka, who’d done contract work for both the DIA and the CIA.

From "Into the Wild" by Jon Krakauer

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training