noun

detective

Someone whose job is to investigate crimes or other mysteries.

The detective interviews witnesses to find out who stole the jewelry.

Etymology

Latin de- and tegere express uncovering. Detective began as a description of work that uncovers hidden facts, then became the name for the investigator who does it.

More examples

  • She hires a private detective to find her missing brother.
  • Two detectives compare fingerprints found at the crime scene.
  • The detective in this novel solves the case with one tiny clue.

Forms

detective · detectives

detect verb — To discover or notice something hidden.

detection noun — The act of discovering something hidden.

Similar words

investigator
Broader term covering inquiries into crimes, accidents, or other matters.
sleuth
Informal term for a detective, often used in mystery stories.