HyperDic: history

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HyperDic 3.0 is the newest HyperDic hyper-dictionary. This page presents the main enhancements added by the past versions.

HyperDic 2.1

HyperDic 2.1, published in 2005, introduced the following enhancements to the original features of HyperDic:

Re-labelled Relations

Lexical relations between different parts of speech are relabelled to the target's part of speech. For example, an adjective's pertainyms and nominal derivations are grouped and labelled "nouns". Reciprocally, the source adjectives are attached to these nouns, with the label "adjectives".

HyperDic 2.0

HyperDic 2.0, published in 2004, introduced the following enhancements:

More words

The current full version of the HyperDic dictionary now covers over 155,000 words. While previous online versions only included a (large) selection of frequent English words, HyperDic Online is now a full dictionary, covering all the words present in the latest version of the WordNet databases.


HyperDic now integrates a rhyming dictionary, derived from the Carnegie Mellon Pronouncing Dictionary.

Bi-directional links

Most semantic relations are symmetric, or have an inverse relation. In 2002, we started to add some new inverse relations, so that all HyperDic links are now bi-directional.

Case-independent search

Like traditional dictionaries, the previous versions of HyperDic had separate sections for proper names and common words. But many users of the electronic searchbox do not use capital letters, so HyperDic search is now case-insensitive, and the results are presented in mixed case.

Page layout

With tables instead of floating columns, the page layout is now more compact, resulting in less scrolling, and better compatibility with pocket-size displays.

Better WordNet Compatibility

Individual word senses are now referenced with permanent anchors, derived from WordNet sense keys, which do not change between WordNet versions. This provides a stable API (Application Programming Interface), making HyperDic directly compatible with semantic web applications that rely on other versions of WordNet.

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