If you are looking for an offline English dictionary application, English Dictionary Offline by eflasoft is an excellent choice. This app provides instant access to over 400,000 English words with definitions, usage examples, and audio pronunciations. One of the best things about this app is that all its features are available for free.

The app's user-friendly interface makes it easy to navigate and find the meanings of words. You can also bookmark and list your favorite words, review past searches, and use the random word button to learn new words. Another useful feature is the ability to make voice searches without having to download any dictionary files.

It is important to note that this app is an English to English dictionary application and does not support other languages. However, if you are looking to improve your English vocabulary, this app is a great tool for you. Overall, English Dictionary Offline is an efficient and reliable app that can help you learn and improve your English vocabulary.