Did you know?

Click any word in a definition or example to find the entry for that word

investigate

 - definition
 
 
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
verb investigate pronunciation in British English /ɪnˈvestɪɡeɪt/ 
Word Forms
Close
present tense
I/you/we/theyinvestigate
he/she/itinvestigates
present participleinvestigating
past tenseinvestigated
past participleinvestigated
  1. [intransitive/transitive] to try to find out the facts about something in order to learn the truth about it

    We sent a reporter to investigate the rumour.

    All complaints from our customers are investigated quickly and efficiently.

    A short time later I heard a noise outside and went to investigate.

    investigate what/why/whether etc:

    The research aims to investigate why schools are not doing better.

    1. a.
      [transitive] to try to get detailed facts and information about a person's behaviour or character

      She was thoroughly investigated by the FBI before being offered the job.

pre-cation

a paid holiday given to a new employee before they start their job

BuzzWord Article

Open Dictionary

selfie stick

an expandable stick which you attach to a mobile phone or camera to help you take a selfie …

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog