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Cognitive Science Laboratory
Princeton University
221 Nassau St.
Princeton, NJ 08542

WordNet 1.5 is now available for ftp.
WordNet is an on-line lexical reference system whose design is inspired by current psycholinguistic theories of human lexical memory. English nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept. Different relations link the synonym sets.

WordNet was developed in the Cognitive Science Laboratory at Princeton University under the direction of Professor George Miller.

For up-to-date project information, see the current Human Language Technology Quarterly Status Report.

You can experiment with WordNet 1.5 by running our WWW interface. Please send comments to

Other interfaces have been developed by WordNet users:

Obtaining WordNet

WordNet is available for anonymous ftp from and View the README file, for a description of the available platforms and required files associated with each. You should also see README.BUGS for additional information.

Those unfamiliar with WordNet should read "Five Papers on WordNet" which is availiable in PostScript or as a compressed tar file in nroff source format.

You can ftp the following WordNet packages from here:

or browse the ftp directory.

NOTE: If you ftp WordNet, please send email to indicating the package that you are using.

You can order WordNet on diskette for the PC or the Macintosh. You can also order WordNet on 8mm tape for Unix systems. If you have received an earlier version of WordNet on magnetic media, you may return the media to us and receive an upgrade for $10. Please print out and use our order form if possible.
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