The Longman Dictionary of Contemporary English Online is an online version of the CD-ROM of the Longman Dictionary of Contemporary English, Updated Edition.
Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia encyclopedia, Wikipedia...
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- Freemium
- Proprietary
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- Online
- Android
- iPhone
- Android Tablet



WordNet® is a large lexical database of English. Nouns, verbs, adjectives and adverbs are grouped into sets of cognitive synonyms (synsets), each expressing a distinct concept. Synsets are interlinked by means of conceptual-semantic and lexical relations.
The official Collins English Dictionary online. Comprehensive and authoritative, rely on Collins for up-to-date English with insights into language trends and usage.
WordReference is a free online Oxford dictionaries for Spanish, French, Italian, German and more.
Cost / License
- Free
- Proprietary
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- Online
- Android
- iPhone
- Android Tablet
- iPad
- Alfred


+5
WordWeb is an international English dictionary and thesaurus program for Microsoft Windows, iOS, Android and Mac OS X. Available for download online, the program is partly based on the WordNet database.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad


+9












Comments
edit: Cambridge has been removed for attempting to conflate gender and sex similarly to Merriam Webster.