Weblio

Weblio is a free integrated bilingual dictionary website and online encyclopedia for Japanese-speaking sites operated by the GRAS Group, Inc. (GRASグループ株式会社), formerly known as the Weblio Corporation (ウェブリオ株式会社). Weblio can perform a bulk search on a variety of dictionaries, encyclopedias and glossaries, and return results. The dictionary facility includes Kenkyūsha's New Japanese-English Dictionary and 70 other Japanese–English and English–Japanese dictionaries with 4,160,000 English words and 4,730,000 Japanese words. As of January 20, 2016, a total of 665 dictionaries, encyclopedias and glossary sites can be searched in full.