Longman English Dictionary Online
The Longman Dictionary of Contemporary English Online is an online version of the CD-ROM of the…
17 Alternatives To Longman English Dictionary Online
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.
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.
TemaTres
TemaTres is a Controlled Vocabulary server. Manage, publish, share use and re-use Ontologies, taxonomies, thesauri, list of values. The open source way to manage formal representations of knowledge
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
WordWeb
One-click lookup in any almost any Windows program; Hundreds of thousands of definitions and synonyms; The latest international English words; Works offline, or reference to Wikipedia and web references.