Dictionary Search


Dictionary Search in the context menu Dictionary Search provides a very easy way to lookup (or translate) a word in a Web page or an email in an online dictionary such as Simply select the word you want to lookup. Then right click and select "Dictionary Search for ...". A new tab or browser window will open with the meaning of the word you selected. It works for both for Mozilla Firefox and Mozilla Thunderbird


Install DictionarySearch

View the ChangeLog to see the complete list of what has been added or fixed in this and previous versions.

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You can use up to 6 different dictionaries, which you can configure yourself. For more info go to the Dictionaries page. There you will find instructions on how to change or add dictionary. It also contains a large list of other possible dictionaries in a significant number of languages.

NOTE If you are looking for spelling dictionaries for thunderbird or mozilla mail you should visit

If you like to receive an email when a new version is released subscribe to the mailing list. (It's low traffic). Also if you have an idea for a nice feature you can send an email to the mailing list. Patches with improvements and translations are also highly appreciated.

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For questions or comments about dictionarysearch, please send a message to the dictionarysearch mailing list.
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