A free program for Android, by EagleInc Thesaurus.

The English, French, and Spanish Thesaurus is an offline dictionary with an English, French, and Spanish language. You can add words to this dictionary without the need of the Internet. This app is developed by EagleTech and has been used in multiple educational environments. The dictionary contains more than 300,000 words and phrases and is completely free to use. You can also search words by phonetics.

It is an offline dictionary, meaning that it does not require an Internet connection to be used. This makes it a perfect tool for people who are on a mobile phone and have limited Internet access.

This dictionary is very easy to use. All you have to do is select the language you want to search and then enter the word or words you want to look up. You will then get a list of possible matches for your search.

You can also search using different criteria such as type, definition, synonyms, and antonyms. You can also add your own words to the dictionary.