This is the 167th most frequent Estonian word.
üsna
"Üsna" means "quite" or "fairly" in English.
"Üsna" is employed to describe the perceived difficulty of the task, functioning as "rather" to suggest a noticeable level of difficulty.
See ülesanne tundub üsna raske.
This task seems rather difficult.
Here, "üsna" emphasizes the extent of well-being, equivalent to "quite well," indicating a moderate to high level of positive status.
Meil läheb üsna hästi vaatamata raskustele.
We're doing quite well despite the difficulties.
"Üsna" is used here to indicate the degree of tiredness, translating to "quite" in English, meaning significantly but not excessively.