detective

1 of 2

adjective

de·​tec·​tive di-ˈtek-tiv How to pronounce detective (audio)
Synonyms of detectivenext
1
: fitted for or used in detecting something
had perfected his detective sensibilities
2
: of or relating to detectives or their work
a detective novel
detectivelike adjective

detective

2 of 2

noun

: one employed or engaged in detecting lawbreakers or in getting information that is not readily or publicly accessible
a police detective
hired a private detective

Examples of detective in a Sentence

Adjective We had to do some detective work to find out who used to own the property. He enjoys reading detective novels. Noun She is a detective on the police force. Detective Sgt. Lee is working on the case. She hired a detective to follow her husband.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
But divining Gaudí's intentions has required detective work, because during the Spanish Civil War, anarchists protesting the Catholic Church set fire to parts of the structure, and smashed Gaudí's models into 8,000 pieces. Seth Doane, CBS News, 7 June 2026 His photo was accidentally uploaded to the Love Island USA app and quickly shared on Reddit, prompting fans to immediately go into detective mode. Lily Brown, PEOPLE, 6 June 2026
Noun
After investigating, detectives learned that Martinez had assaulted his girlfriend with a knife prior to the invasion. Jazmin Alvarado, Los Angeles Times, 9 June 2026 In a search of Westmoreland’s cellphone, detectives found several phone calls and text messages between Westmoreland and Siffre in the days prior to the shooting, Johnson said. Caroline Zimmerman, Kansas City Star, 8 June 2026 See All Example Sentences for detective

Word History

First Known Use

Adjective

1732, in the meaning defined at sense 1

Noun

1842, in the meaning defined above

Time Traveler
The first known use of detective was in 1732

Browse Nearby Words

Cite this Entry

“Detective.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/detective. Accessed 9 Jun. 2026.

Kids Definition

detective

1 of 2 adjective
de·​tec·​tive di-ˈtek-tiv How to pronounce detective (audio)
: of or relating to detectives or their work
a detective story

detective

2 of 2 noun
: a person whose business is solving crimes and catching criminals or gathering information that is not easy to get

Legal Definition

detective

noun
de·​tec·​tive
: a person engaged or employed in detecting lawbreakers or in getting information that is not readily or publicly accessible
a police detective
hired a private detective

More from Merriam-Webster on detective

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster