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.
The figure of Uncle Sam has been used, especially in the past, as a national symbol of the US. He is usually shown as a man with a white beard and a big hat, wearing clothes in the colours of the US flag. The expression comes from the abbreviation ‘US’.