Macmillian Dictionary and Thesaurus
The Free Online English Dictionary from Macmillan Publishers.
19 Alternatives To Macmillian Dictionary and Thesaurus
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.
Collins English Dictionary
The official Collins English Dictionary online.
ECG for Apple Watch
ECG app and irregular heart rhythm notification
Eko
Strap a jetpack to your Korean writing & reading level with software designed for non-native…
Longman English Dictionary Online
The Longman Dictionary of Contemporary English Online is an online version of the CD-ROM of the…
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.
Power Thesaurus
Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers…
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.
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