A free program for Android, by Marble Bloom.

The Offline English-Greek Wordbook is a free offline English-Greek dictionary app for Android. This dictionary contains thousands of words and meanings. The app will help you to learn and memorize English and Greek words.

If you want to improve your vocabulary, this is the best app for you. It is easy to use, and it works offline. It contains all the important words and meanings., so you can communicate well especially during trips.

Additionally, it utilizes Android’s built-in text-to-speech synthesizer, allowing you to listen to the correct pronounciation of each words, thus, helping you to enunciate them better. Moreover, you can learn the Greek and Latin characters with this tool.