The most recent Windows version of WordNet is 2.1, released in March 2005. Version 3.0 for Unix/Linux/Solaris/etc. was released in December, 2006.
WordNet binaries and source are available for Windows and Unix-like systems (Irix, Solaris, and Linux binaries). There is also a Prolog package.
WordNet 2.1 for Windows
WordNet browser, command-line tool, and database files with InstallShield self-extracting installer:
Download via HTTP: WordNet-2.1.exe or FTP: WordNet-2.1.exe
WordNet 3.0 for UNIX-like systems (including: Linux, Mac OS X, Solaris)
Before you download: The WordNet 3.0 README file contains additional information about the release. You can read about the changes from version 2.1.
Source code and binaries:
Download tar-gzipped via HTTP: WordNet-3.0.tar.gz or FTP: WordNet-3.0.tar.gz
Download tar-bzip2'ed via HTTP: WordNet-3.0.tar.bz2 or FTP: WordNet-3.0.tar.bz2
Download just database files via HTTP: WNdb-3.0.tar.gz or FTP: WNdb-3.0.tar.gz
Prolog version of WordNet 3.0
ANSI Prolog version of the WordNet database.
Download via HTTP: WNprolog-3.0.tar.gz or FTP: WNprolog-3.0.tar.gz
Sense mappings
Sense-key mapping from version 2.1 to 3.0
Download via HTTP: WNsnsmap-3.0.tar.gz or FTP: WNsnsmap-3.0.tar.gz
Old versions and other tools
Old versions are no longer maintained!
Please do not request changes based on the content of any version other than the current (Windows: 2.1, UNIX-like: 3.0).
Download old versions of WordNet
Other tools are available only for UNIX-like systems.
Please download these only if you know you need them.
Download tools related to WordNet