of the jeKai project to create
an open, free, online Japanese-English dictionary

English speakers who study or use Japanese, whether as students, translators, or scholars, are acutely aware of the lack of good, comprehensive Japanese-English dictionaries. The best paper dictionaries either are intended for native speakers of Japanese (such as Kenkyusha's New Japanese English Dictionary) or list only words written in kanji (such as Nelson's Japanese-English Character Dictionary, etc.). Free online dictionaries such as EDICT and Eijiro offer a good alternative, but because they provide only word equivalents, not explanations, their usefulness is limited.

The best references for Japanese are the Japanese-Japanese, or kokugo, dictionaries, for they contain the broadest range of vocabulary and the most complete and explanatory definitions. However, even the best kokugo dictionaries have inadequate definitions and examples, and only advanced users of the language are able to get the full benefit out of monolingual dictionaries.

In May 2000, a group of volunteers throughout the world began creating an open, free, online Japanese-English dictionary. The form and content of the dictionary are decided by the participants in the project. Among its features are the following:

The dictionary has been named jeKai (je海), pronounced "jay-kai" or ジェーカイ.

Note: As of 2007, the jeKai project has been dormant for several years.

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