Offline English Dictionary and Thesaurus is a dictionary app that works offline. You can look up words and sentences without the need for an internet connection.

This application is very useful in situations where there is no internet connection and you need to look up a word or sentence. It is especially useful in situations where there is no Wi-Fi connection. 

This application can be used with Android devices.

To install the app, you need to have a working internet connection. To check if your device is able of speech synthesis, go to Menu/Action Bar -> Settings/Voice input & output settings -> Text-to-speech settings.

You can change the speech speed by changing the speech rate.