The Dictionary & Thesaurus (Definition synonyms idiom) app, developed by Talkao - Talk Translate, is a comprehensive dictionary app that provides access to more than 700 dictionaries in over 60 languages, both online and offline. The app includes all types of dictionaries, such as definition and meaning, synonyms and antonyms, thesaurus, acronyms, computer terms, and phrases, as well as language dictionaries like Spanish - English and French - English.

The app features a word search function that allows users to find definitions and translations in any language, along with synonyms, antonyms, and thesaurus options. Additionally, the app offers multiple offline language translation options, enabling users to translate texts between two languages without an internet connection. The app is simple and intuitive to use, with a customization feature that allows users to download and activate or deactivate the dictionaries they need, and to manage the order in which the meanings and definitions appear. Overall, the Dictionary & Thesaurus (Definition synonyms idiom) app is an excellent tool for anyone looking for a complete and customizable dictionary experience on their mobile device.