Are you looking for an Offline dictionary for Android that works without Internet connection? Though the free Dictionary App from Dictionary.com is the best app out there but it requires an active internet connection to be able to look words. If you need a dictionary app that is simple, quick, Ad free and has offline capability than look no further than this free dictionary app named Advanced English & Thesaurus. To be able to use this as offline dictionary just download the database which is around 20MB. See screenshots below.
To download dictionary database, select options and tap on download database.
Best Offline Dictionary App for Android
Android Market Download link. Developer: Mobile Systems.
Which dictionary app are you using?