A free program for Android, by VD.

Offline GRE, GMAT, SAT & TOEFL Wordlist is a free offline app with a huge database of words that can be searched and viewed offline.

With this app, you will have access to an extensive collection of words and their definitions, synonyms, antonyms, pronunciation, and spelling.

All of this information is stored in one single database and is available to you at any time. This makes the app useful for those who are constantly on the go.

You will also have access to a dictionary that will help you in your career plan and helps in preparation for English as well as competitive exams like GRE, GMAT, SAT, TOEFL, etc.