WordNet
WordNet® is a large lexical database of English.
16 Alternatives To WordNet
Anki
Anki is a program which makes remembering things easy. Because it’s a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.
Artha
Artha is a handy thesaurus based on WordNet with distinct features like global hotkey look-up…
Classic Thesaurus
crowdsourced thesaurus
Gnome Dictionary
GNOME Dictionary is a simple, clean, elegant application to look up words in
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…
Moby Thesaurus
30,000 root words, 2.5 million synonyms andrelated words
Power Thesaurus
Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers…
StarDict
StarDict is a Cross-Platform and international dictionary Software.
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
TheSage
TheSage is a powerful language reference system that couples a professional dictionary of the…
Tritrans
TriTrans interactive dictionary. Translate words between English, Spanish and Norwegian.
Wiktionary
Open Source wiki-dictionary by the Wikimedia foundation
WordReference
WordReference is a free online Oxford dictionaries for Spanish, French, Italian, German and more.
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.