Pronunciation

/ɪnˌvɛstɪˈɡeɪʃən/

Definitions

• Noun: (n) The process of examining, researching, or investigating something thoroughly and systematically, typically to establish facts or reach new conclusions. It often involves collecting and analyzing evidence or information. For example: “The police launched a thorough investigation into the crime scene.”

  • Phrase: “An investigation team” refers to a group of people who are assigned to conduct such a process.
  • “Under investigation” indicates that something or someone is currently being investigated.

Example Sentences

• Noun: “After a long and complex investigation, the detectives finally solved the mystery.”
• “A full internal investigation has been initiated to determine the cause of the accident.”

Phrases

• “Conduct an investigation”: To carry out a formal inquiry or examination.
• “Investigation report”: A document that summarizes the findings of an investigation.
• “Criminal investigation”: An official inquiry into a suspected crime.

Example Sentences

• “The company decided to conduct an independent investigation into the matter.”
• “The results of the criminal investigation will be presented in court.”

Synonyms

• Inquiry
• Probe
• Examination
• Research
• Study
• Scrutiny
• Analysis
• Inspection
• Review

Usage in idioms or fixed expressions

• “Leave no stone unturned”: This idiom implies a thorough investigation where every possible avenue is explored.
• “Under the microscope”: This expression suggests that something or someone is under intense investigation or scrutiny.

Note: While ‘investigation’ doesn’t have direct verb usage like “hello”, it can be used as part of a phrasal verb such as “investigate something/someone”. For instance,

• Phrasal Verb: “To investigate a claim” means to look into or research a statement or assertion to verify its truthfulness. Example: “The insurance company will investigate your claim before making any payments.”