Synonyms of investigator

investigator

noun

in-ˈve-stə-ˌgā-tər 

1

as in researcher

one who observes or studies by close examination and systematic inquiry

investigators who discovered new evidence that the universe was much older than had been previously estimated

Synonyms & Similar Words

• researcher
• experimenter
• observer
• examiner
• monitor
• inspector
• fact finder
• empiricist
• empiric
• field-worker

2

as in detective

a person not on the police force who investigates criminal or illicit activity or searches for missing persons

the investigator in charge of the case was touted as an expert at tracing stolen art

Synonyms & Similar Words

• detective
• operative
• sleuth
• private investigator
• dick
• gumshoe
• private detective
• private eye
• sleuthhound
• shamus
• sherlock
• tracker
• tracer
• hawkshaw
• Federal
• tail
• plainclothesman
• narc
• fed
• shadow
• G-man

Example Sentences

Recent Examples of investigator

The Walmart remained closed Friday night as investigators processed the scene. — Frederick Sutton Sinclair, CBS News, 1 Aug. 2026

Two decomposed bodies have been found within five days at a park in western North Carolina, and both cases are classified as murders, according to investigators. — Mark Price july 26, Charlotte Observer, 26 July 2026

What exactly triggers these blooms is still an active area of research and debate, according to Brad Taylor, associate professor at North Carolina State University and investigator at the Rocky Mountain Biological Laboratory. — Hannah Smith july 25, Idaho Statesman, 25 July 2026

During the investigation, investigators obtained a driver’s license photo of Sanchez and determined that his physical characteristics allegedly matched the person in the footage. — Staff Report, Hartford Courant, 25 July 2026

Phrases Containing investigator

• private investigator