investigation

investigate + -ion

Pronunciation

• IPA ^(key): /ɪnˌvɛstəˈgeɪʃən/

• Audio (US)

  (file)

Noun

Singular investigation

Plural investigations

1. (countable & uncountable) An investigation is a careful look at a crime, problem, etc. to find the truth or a solution.
   • Synonyms: research, check and examination

   Researchers were conducting further investigations into the connection between smoking and lung disease.

   The cause of the fire is currently under investigation.

Related words

• investigate
• investigative
• investigator