Outstanding! Rated 5 out of 5 stars

I think you should be given more credit from the Wikilook developer who forked your code and idea. What I like is the simplicity and ease of use by simply enabling/disabling from the status bar and only having to highlight the word with the mouse. Much easier to use than anything else I've seen. Thank you.

This review is for a previous version of the add-on (0.3.020b). 

Thank you for the comment

This extension was developed for those people who read online articles and need to constantly look up unfamiliar English words (like me). For them, the looking up process should be least obtrusive. Thank you for remarking the 'simple usage' approach of this extension :)