A free app for Android, by Mobile Systems Inc..

With over 40,000 definitions, the Collins Essential Thesaurus is the ideal language tool for anyone looking to expand their vocabulary and enhance their writing and speaking skills. This dictionary provides an in-depth look at a variety of topics and has an organized arrangement of synonyms and antonyms that allows users to quickly find the word they are looking for. In addition, the dictionary has an extensive range of opposites, allowing users to use the right word in the right context.

The dictionary includes an option to view definitions either in an article form, or an outline, which can be useful for those who need a more comprehensive view of a topic. Users can also search for a word that they have typed into the search field, or that they have selected from the dropdown list.

The search function of the dictionary is very intuitive and easy to use. Users can search either by entering a word into the search field, or by selecting it from the dropdown list. Once a user has selected a word, the search results will appear in a new tab.

In addition to the search function, the dictionary also includes an article search option. By selecting the word you want to look up, users will be able to view an outline of the article in which that word is found.