Moby Thesaurus Alternatives

WordNet® is a large lexical database of English.

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.

FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun.

Try for free freemium $25.0 / Monthly (Essentials plan)

Artha is a handy thesaurus based on WordNet with distinct features like global hotkey look-up...

VerbAce-Pro is an easy-to-use Desktop Translation Software. Translate in a mouse click

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

Definitions and Synonyms

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.

Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers...

The program has the following features: Use of WebKit for an accurate articles' representation, complete with all formatting, colors, images and links.

Open Source

Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.

crowdsourced thesaurus

The Top Words Like website is a great resource for finding synonyms for any given word.

QuickDic offline multilingual translation dictionary.