Simply does not work. ALL words return not found. Went thru Every preference option. FF ver 115.22 on Mac

5* when it worked, but that was long ago

It used to be good, but sadly has been broken for 6+ months with no word on fixes from the dev. Uninstalled.

Abandoned by dev, doesn't work anymore.

Been waiting for a fix for months, but I'm gonna uninstall now, thanks for the memories <3 :-;

doesnt work

One of my favorite extensions! Back when it worked, that is...

I don't think its working anymore

It's good sometimes, but more often than not it can't find a definition, which doesn't make it a particularly comprehensive dictionary. And if a word is a plural or any kind of variation, it can't find it either, just the simple form of the word, and there's no way to get a definition by highlighting a word without the 's' or whatever on the end, because you have to double click, which naturally highlights the entire word.
There's just too many words it can't find.

No longer functional. If this is fixed I will be revising my review to give the extention the 5 stars it deserves when it is functional.

For those struggling to find a replacement as I was:

Definer by Lumetrium:
- seems to fulfill the same purpose in a more aesthetically pleasing package.

Hasn't been working for a while, keeps saying definition not found

No longer works, always get definition not found.

Not working for a long time.

It doesn't work anymore

Doesn't work anymore

No longer works in 2025.
Look elsewhere.