Click any word in a definition or example to find the entry for that word
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.
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
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.
The research aims to investigate why schools are not doing better.
This is the British English definition of investigate. View American English definition of investigate.
happy, excited, and full of energy
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