Every word under the sun, and then some. OneLook scans 18,955,870 entries in 1061 dictionaries. Use it to find definitions, related words, quotes, lyrics, colors, and more. Play CYJ and Threepeat, our new word games.

This is a map of the wheel-ruts of modern English. Etymologies are not definitions; they're explanations of what our words meant and how they sounded 600 or 2,000 years ago. The dates beside a word indicate the earliest year for which there is a surviving written record of that word (in English, unless otherwise indicated). This should be taken as approximate, especially before about 1700, since a
Synonyms: Find Similar Words & Examples Two words that can be interchanged in a context are said to be synonymous. The English language is replete with synonyms in large part because England was invaded by so many different language speakers. Romans, Vikings, and William the Conqueror all played a role to meld a simplified Germanic language with borrowed words from French, Latin and many others. I
最近 Mac から Windows に乗り換えたのだけど、Mac の Eijiro Viewer みたいな良い英辞郎検索ソフトが Windows には無いみたいなので作りました。(PDIC は英語版 Windows では文字化けした気が。あとインターフェイスがごちゃごちゃしてるしキーボードだけで使うように作られてないので好きではない) 辞書は同梱していません。自分で買ってください。 Google Chrome と Opera で使えます。(ただし Opera は動かすのがちょっと面倒) Chrome Extension Gallery に登録しました。 https://chrome.google.com/extensions/detail/incofakicgjnjoggkkepbldklfocgafh ソースコードは MIT ライセンスで公開しています。 https://github.c
Wiktionary, the free dictionary 8,339,935 entries with English definitions from over 4,400 languages Welcome to the English-language Wiktionary, a collaborative project to produce a free-content multilingual dictionary. It aims to describe all words of all languages using definitions and descriptions in English. Wiktionary has grown beyond a standard dictionary and now includes a thesaurus, a rhym
Search for synonyms using the Visual Thesaurus The Visual Thesaurus is an online thesaurus and dictionary of over 145,000 words that you explore and visualize using an interactive map. Type in a word and the Visual Thesaurus will show you a map of synonyms, antonyms, and definitions. Unlike Roget's Thesaurus, the Visual Thesaurus contains over 39,000 proper nouns and American and British spellings
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