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.

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 …

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.

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, …

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

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 …

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 …