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

3 days ago · Federal prosecutors have launched a criminal investigation into Federal Reserve Chair Jerome Powell, he confirmed in a statement Sunday night.

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

Nov 7, 2025 · A deep dive into the term investigation: definition, academic meaning, and engaging examples of use. Learn the fascinating etymology from Latin, meaning "to track a trace," and …

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.

INVESTIGATE meaning: 1 : to try to find out the facts about (something, such as a crime or an accident) in order to learn how it happened, who did it, etc.; 2 : to try to get information about …

INVESTIGATION definition: the act or process of investigating or the condition of being investigated. See examples of investigation used in a sentence.

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 …

Criminal investigation is an applied science that involves the study of facts that are then used to inform criminal trials. A complete criminal investigation can include searching, interviews, …

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