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..
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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.
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,.
There are three meanings listed in OED's entry for the noun investigation, one of which is labelled obsolete.
See ‘Meaning & use’ for definitions, usage, and quotation evidence.
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.
investigation definition: careful process to find out facts or information.
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Police began an investigation into/of the incident.
Investigators revealed their findings.