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

INVESTIGATING definition: 1. present participle of investigate 2. to examine a crime, problem, statement, etc. carefully…. Learn more.

To observe or inquire into in detail; examine systematically: investigate a crime;...

4 days ago · Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.

Police began an investigation into/of the incident. Investigators revealed their findings.

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

to search out and examine the particulars of in an attempt to learn the facts about something hidden, unique, or complex, esp. in an attempt to find a motive, cause, or culprit: The police …

Investigation, the work of a detective Investigation, the work of a private investigator Investigation, the work of an insurance adjuster Investigation, to identify the cause of an explosion …

Definition of investigate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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 …