The meaning of INVESTIGATION is the action or process of investigating : detailed examination : study, research. How to use investigation in a sentence.

INVESTIGATION definition: 1. the act or process of examining a crime, problem, statement, etc. carefully, especially to…. Learn more.

Investigation, the work of a detective Investigation, the work of a private investigator Investigation, the work of an insurance adjuster Investigation, to identify the cause of an explosion …

1. The act or process of investigating: a politician under investigation. 2. A careful examination or search in order to discover facts or gain information. See Synonyms at inquiry.

An investigation is a systematic, minute, and thorough attempt to learn the facts about something complex or hidden; it is often formal and official: an investigation of a bank failure.

investigation definition: careful process to find out facts or information. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like …

What does investigation mean? An investigation is a thorough search for facts, especially those that are hidden or need to be sorted out in a complex situation. The goal of an investigation is …

Definition of investigation noun from the Oxford Advanced Learner's Dictionary. an official examination of the facts about a situation, crime, etc. The president has promised a full …

Apr 4, 2025 · An investigation is a systematic process used to gather information, facts, and evidence in order to examine and evaluate a particular subject, issue, or event.

Oct 30, 2025 · RESTON, Va. (7News) — FBI agents spent several hours investigating along a wooded trail in Reston, Virginia, on Wednesday. "The FBI is conducting law enforcement …