AskDefine | Define investigator

Dictionary Definition



1 a scientist who devotes himself to doing research [syn: research worker, researcher]
2 someone who investigates
3 a police officer who investigates crimes [syn: detective, tec, police detective]

User Contributed Dictionary



  1. One who investigates.


Extensive Definition

Investigator may refer to:
  • Clinical investigator, an investigator involved in a clinical trial
  • Detective, a person who investigates crimes, can be a rank and job in a police department, state or federal employee, or a civilian called a private detective
  • Investigator Strait, a body of water lying between Yorke Peninsula, on the Australian mainland, and Kangaroo Island in South Australia
  • New investigator, a designation for less experienced researchers
  • Principal investigator, the lead scientist for a particular well-defined science project
  • Private investigator, a person who does not work for the police or government, but who undertakes investigations
  • UN Special Investigator, a United Nations appointee, charged with investigations or auditing in a specific matter

Synonyms, Antonyms and Related Words

Bow Street runner, FBI, FBI agent, Federal, G-man, Secret Service, Sherlock, Sherlock Holmes, T-man, detective, dick, examinant, examiner, eye, fed, gumshoe, hawkshaw, hotel detective, house detective, house dick, inquiry agent, inspector, narc, observer, operative, plainclothesman, police detective, private detective, private investigator, revenuer, scrutineer, sleuth, store detective, tec, tester, treasury agent, visitator, visitor
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