Free english dictionary and thesaurus software for windows

TheSage English Dictionary and Thesaurus 3.1.2.1744 is a professional software package that integrates a complete dictionary and multifaceted thesaurus of the English language into a single and powerful language reference system.

TheSage can look up words directly from almost any program (IE, Word, Firefox, Outlook, Thunderbird, etc.) and is 100% portable. It runs locally, and does not use your Internet connection. The Dictionary comprises: +210,000 multiple detailed definitions, +50,000 examples of usage, +70,000 phonetic transcriptions, encyclopedic information (geographical, historical, political,...), academic knowledge (medicine, biology,... ), and more.

The Thesaurus encompasses synonyms, antonyms, hypernyms, hyponyms, meronyms, holonyms,... including nearly 1,400,000 relationships between definitions. The essential functionality includes the following: Tabbed interface allowing multiple definitions and searches to be readily available, quick cross-referencing (any and all displayed words are clickable, triggering a lookup), standard and advanced wildcard search functionality, anagram search, online search, definition and example concordancer (so-called reverse search), text-to-speech, phonetic wildcard search, history, customization of the appearance of TheSage, and more.

Major Features:

1. Comprehensive Dictionary - Multiple detailed definitions (+210,000)
2. Complete Thesaurus - Nearly 1,400,000 relationships between definitions (synonyms, antonyms, hypernyms, hyponyms, meronyms, holonyms,...)
3. Example Sentences - A large collection that already includes approximately 50,000 examples of usage.
4. Pronunciations - +70,000 phonetic transcriptions.
5. System Integration - Look up words directly from most applications.
6. Information Integration - Each definition has its own specific thesaurus.
7. Cross-Referencing - Any and all displayed words are clickable, triggering a new lookup.
8. Wildcard Search - Match single/multiple characters as well as filter by single/groups of vowels and consonants.
9. Anagram Search - Only valid english words are returned.
10. Portability - Fully functional when run from portable devices such as a USB.
11. Clipboard Support - Copy search results, examples, thesauri, definitions.
12. Tabbed Interface - Previous lookups and searches remain readily available.
13. Structured Display - Clean, flexible, fast, and easy to use presentation of information.
14. Price - Absolutely 100% free of charge.
15. Custom Appearance - Choose your own font and color for each aspect of the display.
16. Multi-Session History - Quickly available via dropdown or the 'History' tool.
17. Concordancer - Definition and example concordancer tools (so-called 'reverse search'.
18. Semantic similarity - User-defined custom thesaurus.
19. Online search - Search Wikipedia, Google define/translate, or any other web address directly from TheSage.
20. 'As you type' tool - Browse TheSage's index real-time.
21. Phonetic search - Carry out relatively sophisticated pattern searches of the phonetic transcriptions (pronunciations) in the database.
22. Spell-/sounds-like assistant - TheSage will help you if you can't quite remember the word you are looking for.
23. Speech - TheSage can be turned into a speaking dictionary. Click on the phonetic transcription of a lookup to hear how it is pronounced or have TheSage read all or part of any lookup.

Enhancements: Recommended Update

Requirements: Windows XP and Vista

Luxembourgish Dictionary and Thesaurus is a useful add-on for OpenOffice.org that provides Luxembourgish spell checking dictionary and thesaurus.
System requirements:
- OOo version 2.4.0 and higher recommended.

Free English Dictionary Toolbar For PC - Get 1-Click Fast Facts & Definitions. This free tool is a plug-in for Internet Explorer, and acts as the ultimate one-touch dictionary, encyclopedia and reference library in one - right from your internet browser! Pull up facts, definitions and information on virtually every subject - in seconds.
Forget wasting time going through countless searches and books. Get instant answers - download now for free!
(NO Adware, NO Spyware, Easy to Install and Remove)

Requirements: Internet Explorer 6.0 or Newer

This is a useful extension designed to embed German spellchecking dictionaries, hyphenation patterns and thesaurus in OpenOffice.
The extension is build from other ressources, means I do only "publish" existing dictionaries but not maintain them.
Theasurus is taken from OpenThesaurus project (see website for information how to help with the thesaurus).
Spell checking dictionaries are taken from Bj?rn Jackes ispell/myspell dictionaries.
System requirements:
- OpenOffice.org