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

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

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.

The meaning of INVESTIGATE is to observe or study by close examination and systematic inquiry. How to use investigate in a sentence.

Jan 6, 2026 · investigation (countable and uncountable, plural investigations) The act of investigating; the process of inquiring into or following up; research, especially patient or …

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 …

If something has gone missing, conduct an investigation to find it. To do this, seek out details associated with its disappearance, asking questions and gathering evidence in order to find …

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

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, …

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 …