둔하다

〔鈍하다〕

1. dull; stupid; thick-headed
Not being intelligent or lacking the capacity to deal with something.

2. sluggish; inactive
A movement being heavy and slow.

3. dull
A sense or feeling being not sharp.

4. dull
Looking heavy, not sophisticated in appearance.

5. blunt
The blade of a knife being dull, not sharp.

6. dull
A sound being heavy and dull.

7. dull
A light being weak and dim.