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IELTS word

investigate

/ɪnˈvɛstəˌɡeɪt/verb

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English definition

to examine something carefully to discover facts

Common phrases / collocations

  1. thoroughly investigate
  2. investigate a cause
  3. under investigation

Example sentences

  1. 1.

    Researchers investigated the polluted stream.

  2. 2.

    Police are investigating the accident.

  3. 3.

    The study investigates changes in sleep.

Visual learning

See the meaning

Environmental researchers collect samples from a polluted stream.
to examine something carefully to discover facts
1unexplained pollution
2water samples taken
pollution source unknown→researchers collect evidence