Dictionary.com
Thesaurus.com
Synonyms

private detective

American  

noun

  1. a detective who is not a member of an official force but is employed by private parties.


private detective British  

noun

  1. Also called: private investigator. an individual privately employed to investigate a crime, keep watch on a suspected person, or make other inquiries

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of private detective

First recorded in 1865–70


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:

It is the first of five novels starring Neal Carey: “a graduate student who, much like me,” the author wrote, “was too busy making a living as a private detective to finish his degree.”

From The Wall Street Journal ● Feb. 6, 2026

A private detective, Auguste Bell, arrives to solve the crime.

From The Wall Street Journal ● Dec. 12, 2025

She said a private detective hired by the family found no criminal records for a person named Paramjit Singh in the state, suggesting authorities may have mistaken him for someone else.

From BBC ● Oct. 13, 2025

Marten's family also hired a private detective to find her.

From BBC ● Jul. 14, 2025

This private detective is the creation of San Francisco’s own literary son, Dashiell Hammett, and appeared in his novel The Maltese Falcon, as well as three short stories.

From "Book Scavenger" by Jennifer Chambliss Bertman

Random Word

Spin the wheel and learn a new word!

Get a word


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