A free app for Android, by MobiSystems.

The most useful, reliable, and comprehensive dictionary for both native and non-native speakers of English.

Whether you are looking for a dictionary to improve your vocabulary or to help with an English grammar task, this app can provide you with the answer to your query. 

This app includes the latest definitions and vocabulary from all areas of life. You will find words from different categories, such as Animals, Nature, Body, Home, Food, Vegetables, and so on. 

You can search for words either by their English or Urdu definitions, and you can also find out the synonyms and antonyms of the selected word.