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 mayor of the town housing the Renoir Museum, Bryan Masson, issued a statement praising investigators who tracked down the paintings and suspects. — ABC News, 9 Oct. 2026

According to court documents, witnesses told investigators that Donato had been in an argument with her neighbor and several others before the shooting. — Kansas City Star, 9 Oct. 2026

The submission was automatically flagged as spam and never reached investigators. — Neetika Walter, Interesting Engineering, 9 Oct. 2026

James told investigators that Laura Hamilton was aware and consented to that relationship with her husband, which Laura Hamilton later disputed. — Idaho Statesman, 9 Oct. 2026

Phrases Containing investigator

• private investigator