verb · academic

investigate

/ɪnˈvɛstɪɡeɪt/in·VEST·i·gate

Band 5-6speakingtask2

To examine or study something systematically in order to discover facts or information

Examples

The committee will investigate the causes of the power outage.

Scientists continue to investigate possible links between diet and mental health.

Police investigated the accident and found no evidence of foul play.

Band 8 sentence

To establish causality, researchers must investigate potential confounders and apply rigorous statistical controls.

Collocations

  • investigate the causes of
  • investigate allegations
  • thoroughly investigate

Word family

investigate verbinvestigation nouninvestigative adjectiveinvestigator noun

Common mistakes

investigate about the probleminvestigate / investigate into the problem

do an investigatecarry out an investigation / do an investigation

Say it for a higher band

5look into6study7+investigate

Synonyms

examine

study

Easily confused

examine

The doctor will examine the patient for signs of infection.

look into

I'll look into the issue and get back to you.

Related words

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In Sublist 4

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