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Developer(s)Antony Lewis
Stable release
9.1 / January 13, 2021; 3 months ago (2021-01-13)
Written inObject Pascal (Delphi)
Operating systemMicrosoft Windows 2000/XP/Vista/7/8/10
LicenseFree subject to license
WebsiteWordWeb web site

WordWeb is an international English dictionary and thesaurus program for Microsoft Windows, iOS, Android and Mac OS X. The program is partly based on the WordNet database.


The program is activated by holding down CTRL and right-clicking on a word in almost any program. This opens the WordWeb main window, with definitions and other help.

The program usually resides in the tray.

  • Phrase guessing – for example, CTRL + right-clicking on the 'Princeton' in 'Princeton University' will show the meaning of the combined entity rather than only 'Princeton'.
  • Words from pictures – CTRL + right-clicking on a word within an image (for example, the 'Free' in the Wikipedia logo) will ask WordWeb to guess the word.


The thesaurus is integrated into the dictionary; synonyms, as well as detailed categorization of the relationship between words, are shown under the definition. The program shows:

Users can also actively improve the dictionary and thesaurus by submitting errors (such as missing words/phrases/senses) and enhancement requests.


The program has two versions: the free version (which does not have the word list, search, anagram, or customization features), and the paid version, called 'WordWeb Pro'.

WordWeb 5 added the ability to list entries from three web sources: Wikipedia, Wiktionary, and WordWeb Online. These details are presented in three separate tabs, which are built into the client application. Version 6 added audio pronunciations and support for third-party Oxford and Chambers add-on dictionaries.

WordWeb 7 is mainly a content upgrade, with revised definition and sound database, but also has significantly updated one-click support for latest browsers and 64-bit programs. Changes in this version include: 1) New and revised definitions and related words 2) Updated audio pronunciations 3) Improved one-click integration with other programs 4) Better one-click 64-bit and Windows 8 program support 5) Keyboard hotkeys for Bookmark menu items 6) Auto-detect support for latest 3-rd party Concise Oxford and Merriam-Webster

WordWeb 7 requires Windows Windows XP, Windows Vista, Windows 7, Windows 8 or Windows 10 (desktop).

WordWeb 8 includes one-click and keyboard lookup, including in Thunderbird and FireFox without plugin.[1] Support for Windows XP was dropped.[2]

Open-source alternative[edit]

No version of WordWeb (including Pro) is available for Unix, however, it can be used with Wine. A similar program which includes some of WordWeb Pro's features, Artha is available for both Linux and Windows; a port to Macintosh is promised.[3] Artha too is based on the WordNet database.


Use of the free version is subject to license terms.[4] However, it might be used by an educational institution (free of cost) for their students, even if they violate said terms.


WordWeb is regionalized, with specific dictionaries for Australian, British, Canadian, American, Irish, New Zealand, South African, and Indian English.


  1. ^ What's New
  2. ^ WordWeb Pro features
  3. ^ "Artha Homepage on Sourceforge". Retrieved 2009-05-30. CS1 maint: discouraged parameter (link)
  4. ^ "WordWeb Free Version License". Retrieved 2008-05-13. CS1 maint: discouraged parameter (link)

External links[edit]