noun

researcher

Someone who systematically investigates a subject.

The researcher compares water samples from several nearby lakes.

Etymology

Researcher adds -er to research, systematic investigation. The noun identifies the person who carries out that sustained search for knowledge.

More examples

  • Researchers interview shoppers to learn why they choose certain brands.
  • A researcher found letters that shed light on the town's history.
  • The medical researcher tests whether the treatment improves sleep.

Forms

researcher · researchers

research verb — To investigate a subject carefully and systematically.

Similar words

investigator
Often examines specific incidents, crimes, or disputed facts.
scholar
Usually studies an academic subject through reading and analysis.