The meaning of investigate is to observe or study by close examination and systematic inquiry. How to use investigate in a sentence. See examples of investigate used in a sentence.
As, to investigate the forces of nature; To investigate the causes of natural phenomena; Nov 5, 2025explore the term investigate with a comprehensive glossary entry covering its full definition, historical etymology, common word forms, and practical examples of use.
Investigate generally refers to conducting a systematic or formal inquiry or examination to uncover facts or information about a certain matter or situation. Definition of investigate verb in oxford advanced learner's dictionary. Jan 25, 2026investigate (third-person singular simple present investigates, present participle investigating, simple past and past participle investigated) (transitive) to inquire into or study in order.