The Collocations Dictionary and Thesaurus is an English language learning tool that can help you improve your vocabulary.

This free tool contains 75,000 definitions of words, based on the most common ones found in academic and business English. The definitions are divided into two parts: the first part contains the most common and basic definitions, while the second part contains more detailed and complex definitions.

The dictionary also includes a large thesaurus section, which can help you increase your vocabulary. The thesaurus contains over 80,000 words, and can be divided into three sections: synonyms, antonyms, and word variants.

The dictionary is based on a large English database, which ensures that you find the correct definition every time. It also includes a small database of commonly confused words, so that you can avoid making mistakes.

The dictionary can also be used for academic purposes. It can help you improve your vocabulary and grammar, and can also be used to help you write a better essay.