Is there a good add-on for English dictionary for Firefox?

Google Dictionary addon for Firefox just adds a seach bar at the top right. And opens a new tab for every search. Not effective - Google Dictionary. Rather go for the addon by Dictionary.com. read more

Wiktionary and Google Translate is a quite good for Mozilla and it will translate also but after installing you have to go to add on setting and then enable double click operation in Wiktionary and Google Translate add on. read more

Good to see British English back on the add-on menu, no more seeing red over the wrong color without this customisation. The install instructions refer to a "multi-line text box". You do indeed need to find an on-page web form in which more than one text line can be entered in order to get a "Languages" menu item on the right-click context menu. read more

British English Dictionary (Marco Pinto) by Marco A.G.Pinto This is a fork of Mark Tyndall's extension, based on David Bartlett's British Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey. read more