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. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.
Differences between British and American English: theatre
In both the UK and the US, a theatre is a place where people watch plays or other performances. In the US, you can also use theater or movie theater to mean a place that shows films. In the UK, you see a film at a cinema.