investigationnoun [ C or U ]
uk/ɪnˌves.tɪˈɡeɪ.ʃən/us/ɪnˌves.təˈɡeɪ.ʃən/B2 the act or process of examining a crime, problem, statement, etc. carefully, especially to discover the truth:
An investigation has been under way for several days into the disappearance of a 13-year-old boy.
a full/thorough investigation of the incident
Currently, the individuals who might have caused the accident are subject to/under investigation.
More examples
- The bank conducted its own internal investigation into the robbery.
- A lengthy police investigation failed to produce any evidence on which the suspect could be convicted.
- There will be a full investigation to work out what caused the accident.
- Both companies are under investigation for corrupt practices.
- They decided to reopen the investigation when some new evidence emerged.
Thesaurus: synonyms and related words
Analysing and evaluating
- analyse
- analyser
- analyst
- analytical
- analyze
- critical
- go through sth
- have the measure of sb/sth idiom
- inspect
- inspection
- interpretive
- measure
- proof
- set great, little, etc. store by sth idiom
- sift
- sit
- sit in judgment on/over sb idiom
- size sth/sb up
- store
- survey
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