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

Relevance
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

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of investigator Phone records showed Pacheco made numerous calls to the victim before the fire, investigators found. Cara Tabachnick, CBS News, 15 Feb. 2025 But without a board able to act, employers don’t have to worry about labor laws being enforced, even if agency investigators and judges find violations. Chris Isidore, CNN, 15 Feb. 2025 At Diaz’s home, investigators reportedly found 90 rounds of ammunition. Staff Report, Hartford Courant, 5 Feb. 2025 Federal investigators are still trying to piece together the events that led to the fatal collision. Muri Assunção, New York Daily News, 4 Feb. 2025 See All Example Sentences for investigator

Browse Nearby Entries

Cite this Entry

“Investigator.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/investigator. Accessed 3 Mar. 2025.

More from Merriam-Webster on investigator

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!