investigate Definition

carry out a systematic or formal inquiry to discover and examine the facts of (an incident, allegation, etc.) so as to establish the truth.

Using investigate: Examples

Take a moment to familiarize yourself with how "investigate" can be used in various situations through the following examples!

  • Example

    The police are investigating the murder case.

  • Example

    The committee was set up to investigate allegations of corruption.

  • Example

    We need to investigate the cause of the problem.

  • Example

    The company is being investigated for fraud.

investigate Synonyms and Antonyms

Synonyms for investigate

Antonyms for investigate

Idioms Using investigate

  • to make every possible effort to achieve a goal or find a solution to a problem


    The investigators left no stone unturned in their efforts to solve the case.

  • to find out the real cause or explanation of something


    The journalist was determined to get to the bottom of the scandal and investigate all leads.

  • to pursue a clue or hint that may help in solving a mystery or crime


    The detective decided to follow a lead that he had received from an informant.

Phrases with investigate

  • to carry out an investigation into something


    The authorities are investigating into the matter.

  • to conduct an inquiry into a criminal act


    The detective was assigned to investigate the crime.

  • to look into a grievance or accusation made by someone


    The ombudsman was asked to investigate the complaint.

Origins of investigate

from Latin 'investigare', meaning 'to trace out'


Summary: investigate in Brief

To 'investigate' [ɪnˈvɛstɪɡeɪt] means to carry out a systematic inquiry into an incident or allegation to establish the truth. It involves examining the facts and exploring the cause of the problem. The term extends into phrases like 'investigate into' and idioms like 'leave no stone unturned,' implying thoroughness and determination.

How do native speakers use this expression?