This is the 604th most frequent Polish word.
źle
Badly; wrong.
Here, 'źle' is used as an adverb to describe the general feeling of being unwell or bad.
Czuję się dziś źle.
I feel bad today.
In this sentence, 'źle' functions as an adverb to indicate that the action was performed incorrectly.
Zrobiłeś to źle.
You did it wrong.
Here, 'źle' is an adverb denoting a misunderstanding or incorrect perception of someone's intentions.