Longman English Dictionary Browser designed exclusive to Longman English Dictionary Online one of the best English dictionary with full of examples and precise definitions. And it displays search results for user’s selected keywords by pressing Control + Shift + D keys. It is portable and can run from a removable drive. The search speed may give you an impression of being a bit slow at first. It is because LEDO separates pages for different parts of speech and the program combines them into one. Once the program build the cache, it will be quite fast.