investigation
[noun]
Synonyms: examination, exploration, inquest, inquiry, inspection, probe, review, search, study, survey

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Related Words: observation, observing, sounding, survey, surveying

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English Thesaurus: investigate, look into something, explore, probe, delve, ...

[TahlilGaran] English Synonym Dictionary ▲

in‧ves‧ti‧ga‧tion W2 AC /ɪnˌvestɪˈɡeɪʃən/ noun
[Word Family: noun: investigation, investigatory; adjective: investigative, investigatory; verb: investigate]

1. [countable] an official attempt to find out the truth about or the cause of something such as a crime, accident, or scientific problem:
The investigation continued for nearly three years.
investigation into
The authorities are planning to launch a full-scale investigation into the crash.
investigation of
Baker demanded an investigation of the district attorney’s office.
a criminal investigation
A private detective was hired to conduct the investigation.

2. [uncountable] the act of investigating something
investigation of
the investigation of computer fraud
under investigation (=being investigated)
The whole issue is still under investigation.

[TahlilGaran] Dictionary of Contemporary English ▲

investigation
noun
ADJ. careful, close, detailed | extensive The authorities conducted an extensive investigation into his tax affairs.
full, thorough | criminal, murder, police | scientific | government
VERB + INVESTIGATION carry out, conduct, pursue Police are still pursuing their investigations.
launch | head, lead | complete
INVESTIGATION + VERB reveal sth, show sth Closer investigation showed this idea to be untenable.
PREP. on ~ On investigation, the noise turned out to be only a door banging.
under ~ The singer is currently under investigation for possessing illegal drugs.
~ into Police have launched an investigation into the allegations.
PHRASES the subject of an investigation The matter is the subject of a police investigation, and we have been advised not to comment.

[TahlilGaran] Collocations Dictionary ▲

investigate to try to find out the truth about something such as a crime, accident, or scientific problem:
Police are investigating an explosion in the city centre.
The aim of the study is to investigate how climate change is affecting animal behaviour.
There were fears he may have drowned in the lake, so divers were sent down to investigate.
look into something to find out more about a problem, especially after someone has asked you to do this:
The manager promised to look into my complaint.
Please could you look into the matter for me?
explore to consider or discuss something, in order to help you decide what you should do:
Military leaders are exploring new ways of defending the United States from terrorism.
I’m going to explore the possibility of a part-time job.
probe [intransitive and transitive] to try to find secret or hidden information, especially by asking questions:
The press began probing into the actor’s private life.
We have been probing the reasons why the government has been so slow to react to the problem of climate change.
delve [intransitive] to look somewhere in order to try to find more information about something, especially something that is difficult to find out about:
Over the past year Ms Deen has been delving into the national archives, in order to discover information on the early Muslim settlers.
I think we need to delve a little deeper.
be under investigation if someone or their activities are under investigation, the police are trying to find out if they have done something illegal:
Several public figures are under investigation for corruption.
investigation a process in which the police or another organization try to find out the truth about a crime or accident:
Following a major police investigation, two men were arrested.
The investigation into the causes of the air crash are continuing.
inquiry an official process to find out why something happened, which usually takes several months or years:
Local people are calling for an inquiry into the accident.
An independent inquiry found serious shortcomings at the children’s home.
case a matter that police or officials are trying to find out information about, especially so that it can be dealt with in a court of law:
The case has never been solved.
The police say it is one of the most puzzling cases they have had to deal with.
inquest a legal investigation to find out why someone died:
The inquest heard that Mr Swan was poisoned.
survey a process in which people are asked questions in order to find out about their opinions or about their behaviour:
They did a survey to find out the most popular pop star.
Based on a survey of 250 companies, the report says that ‘ over two thirds of companies expect operating costs to increase as a result of addressing environmental issues.
autopsy British English a medical examination of a dead person’s body, to find out why that person died:
If she died of a drug overdose, it would show up in the autopsy.

[TahlilGaran] English Thesaurus ▲

investigation a process in which the police or another organization try to find out the truth about a crime or accident:
Following a major police investigation, two men were arrested.
The investigation into the causes of the air crash are continuing.
inquiry an official process to find out why something happened, which usually takes several months or years:
Local people are calling for an inquiry into the accident.
An independent inquiry found serious shortcomings at the children’s home.
case a matter that police or officials are trying to find out information about, especially so that it can be dealt with in a court of law:
The case has never been solved.
The police say it is one of the most puzzling cases they have had to deal with.
probe an investigation in which many questions are asked to find out the truth about something – used especially in journalism:
The TV show featured a probe into charges charged by high street banks.
inquest a legal investigation to find out why someone died:
The inquest heard that Mr Swan was poisoned.
survey a process in which people are asked questions in order to find out about their opinions or about their behaviour:
They did a survey to find out the most popular pop star.
Based on a survey of 250 companies, the report says that ‘ over two thirds of companies expect operating costs to increase as a result of addressing environmental issues.
autopsy British English a medical examination of a dead person’s body, to find out why that person died:
If she died of a drug overdose, it would show up in the autopsy.

[TahlilGaran] English Thesaurus ▲