鈍 means dull
slow, foolish, blunt
Metal with no edge: dull.
On'yomi
- ドンdon
Kun'yomi
- にぶ(い)nibui
- にぶ(る)niburu
- にぶnibu
- なま(る)namaru
- なまく(ら)namakura
How it's built
- 金metal
- 屯
Common words
- 鈍感どんかんthickheaded; insensitive
- 鈍間のろまblockhead; dunce
- 鈍いのろいthickheaded; obtuse
- 鈍化どんかbecoming dull; slowing down