Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “investigate”


verb [I, T]     /ɪnˈvestɪɡeɪt/
B2 to try to discover all the facts about something, especially a crime or accident: He has been questioned by detectives investigating Jenkins' murder.Analysing and evaluatingAssessing and estimating valueQuestioning people and asking questions in generalCuriositySuspecting and questioning
(Definition of investigate verb from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “investigate” in other dictionaries

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More