After searching and trying many dictionaries for my mobile, here is an English dictionary (Advanced English Dictionary-AED), that I found most comprehensive and a joy to use. Being a Jar app, it will work fine on most Symbian S60 and other platform phones supporting J2ME applications. AED has over one lac entries (including the American slang), interconnected with each other in a CHM-like format. Words have been categorized in General and gradually specific hierarchy. Give it a try and you will surely agree with me. Download it according to your device from
AED is also available for iOS (iPhone, iPad and iPod touch) at Apple’s app store.