어설프다

1. awkward; slovenly; poor
Imperfect and clumsy because one is not familiar with something.

2. poor; incomplete
One's knowledge, behavior, etc., being imperfect.

3. sloppy; careless
Behaving recklessly without thinking carefully or preparing perfectly.

4. light
One's sleep being not deep or one's dream being vague.

5. thin; light
Smoke, smell, etc., being very weak, not thick or strong.