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

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.

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.

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, …

Nov 10, 2025 · investigation (countable and uncountable, plural investigations) The act of investigating; the process of inquiring into or following up; research, especially patient or …

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

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.