Sites and apps similar to Longman English Dictionary Online include GoldenDict, which is open source with a free version. Other options are Wiktionary, WordReference, Dictionary.com and GoldenDict-ng. There's no shortage of Dictionaries like Longman English Dictionary Online, with more than 50 alternatives for Android, Windows, Linux, iPhone and Mac.
The meaning and definition of 140.000+ words. Meaning Monkey is a free online dictionary. Can't find something? Take part in the enlargement of MeaningMonkey.org! Let's build the world's next favorite dictionary together.
S3.Translator is a browser extension offering automatic translations, language learning, and subtitle translation in YouTube through Google Translate, supporting over 100 languages while preserving HTML formats for text, phrases, and web pages. Features include text-to-speech and language auto-detection.
Cambridge Dictionary is a multi-language dictionary for students and people who are in contact with English. This online version has been offering completely free of charge since 1999 by the Univeristy of Cambridge.
United Kingdom
Learn thousands of real slang words or add your own. Slang thesaurus, maps, usage voting, offensiveness rating, more.
United States
Multilingual dictionary. The Blueseal dictionary provides translations of words and expressions between German, English, Spanish and French in all possible combinations. It also provides a synonym dictionary for all these languages.
Access all your favorite dictionaries and other lookup services in one place.
Firefox and Chrome extension are available to easily select and lookup any text in web pages.
Client/server software, human language dictionary databases, and tools supporting the DICT protocol (RFC 2229).
Lifetime Free & Distributable Dictionary Translation in a Single Click Auto Completion Capturing Any Text in Desktop Applications Searching in Multiple Dictionaries Optional and Customizable Search Methods Lookup History Text-to-Speech Engine Optional and Customizable.
xFarDic is a comprehensive multilingual dictionary developed using GTK2, wxWidgets, libxml2, under GNU/Linux and relesed under GNU/GPL.
The official Collins English Dictionary online. Comprehensive and authoritative, rely on Collins for up-to-date English with insights into language trends and usage.
Dictionary .NET is a tiny, easy and smart multilingual dictionary translating from/to 65 languages using Googles and Bing services.
Taiwan
The language portal bab.la is a free online platform for language lovers. We have 40 dictionaries for 28 languages, a language forum, vocabulary lessons, language games, quizzes, verb conjugation for 12 languages, phrase books for university, business or travel, an internship...
