Collins English Dictionary
The official Collins English Dictionary online.
19 Alternatives To Collins English Dictionary
Apple Dictionary
Your Mac also comes with a versatile Dictionary application.
Cambridge Dictionaries Online
Cambridge University Press has been publishing dictionaries for learners of English since 1995.
Eko
Strap a jetpack to your Korean writing & reading level with software designed for non-native…
Google
Google Search, also referred to as Google Web Search or simply Google, is a web search engine developed by Google. It is the most used search engine on the World Wide Web
Longman English Dictionary Online
The Longman Dictionary of Contemporary English Online is an online version of the CD-ROM of the…
Macmillian Dictionary and Thesaurus
The Free Online English Dictionary from Macmillan Publishers.
Merriam-Webster
No other dictionary matches M-W’s accuracy and scholarship in defining word meanings. Our pronunciation help, synonyms, usage and grammar tips set the standard.
Oxford Dictionaries
Free online dictionary of British English and American English from Oxford.
Reverse Dictionary
Describe a concept and get back a list of words
SayWhat
A fun and informative Video Urban Dictionary.
Silicon Valley Dictionary
Urban dictionary meets Silicon Valley
Spell It Out
Spelling out tech acronyms so you can be in the know.
StarDict
StarDict is a Cross-Platform and international dictionary Software.
The Free Dictionary
The World’s most comprehensive free online dictionary, thesaurus, and encyclopedia with synonyms, definitions, idioms, abbreviations, and medical, financial, legal specialized dictionaries
The Online Slang Dictionary
Learn thousands of real slang words or add your own.
Urban Dictionary
Urban Dictionary is a Web-based dictionary of slang words and phrases.
Wiktionary
Open Source wiki-dictionary by the Wikimedia foundation
Wordnik
the biggest online English dictionary, by number of words