word definition quality

Yes, I agree Korean also has issues with would definition quality. I had to turn off my hover dictionary for Korean as well.

It’s on their roadmapbut it hasn’t been updated in a while:

Coming Soon:

I know with any languages that are more context-based/have many variations, endings, compound words, etc., the LR team is still figuring out how to improve them.

I think English and other non-Asian language TL learners have fewer issues with dictionary definitions than learners who are learning Korean, Japanese, etc.