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
• nark
• fed
• shadow
• G-man

Example Sentences

Recent Examples of investigator

New evidence was gathered in November 2023, and both were arrested March 4, investigators said. —Kate Linderman, Kansas City Star, 12 Mar. 2025

Spiro said the investigators who approached Jane Doe did not coerce or threaten her. —Aaron Katersky, ABC News, 12 Mar. 2025

The film details how investigators believed Baumeister may have filmed his victims with a secret camera hidden in an air vent in his basement. —Stephanie Nolasco, Fox News, 1 Mar. 2025

Two people who had been shot were found dead inside a Thornton home on Wednesday that investigators believe was intentionally set on fire, police said. —Katie Langford, The Denver Post, 1 Mar. 2025

Phrases Containing investigator

• private investigator