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.

Look up investigation or investigate in Wiktionary, the free dictionary.

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.

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.

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

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.

Investigation is the systematic process of gathering and analyzing information or evidence to uncover facts, identify causes, determine motives, and find a solution or resolution to a specific problem, …

Oct 30, 2025 · FBI agents spent several hours investigating along a wooded trail in Reston, Virginia, on Wednesday.

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 usually to …