detective

1 of 2

adjective

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

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
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Adjective
Genres run from crime thrillers and detective mysteries to folklore horror, social and courtroom drama, and romance. — Naman Ramachandran, Variety, 22 Oct. 2026 Wallander is based on Henning Mankell’s bestselling novels based on the detective character. — Jesse Whittock, Deadline, 21 Oct. 2026
Noun
The complaint said detectives learned during their investigation of a similar theft of a Pokémon card store that happened in July in Osseo, Minnesota. — CBS News, 28 Oct. 2026 Oldman scored high marks for his performance as a corrupt New York homicide detective involved with a vicious hitwoman (Lena Olin) in Romeo Is Bleeding (1993). — Mike Barnes, HollywoodReporter, 28 Oct. 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 1 Nov. 2026.

Kids Definition

detective

1 of 2 adjective
: 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

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