| 迟钝 | chí dùn | slow in one's reactions; sluggish (in movement or thought) | |
| 愚钝 | yú dùn | stupid; slow-witted | |
| 钝角 | dùn jiǎo | obtuse angle | |
| 鲁钝 | lǔ dùn | stupid; slow on the uptake | |
| 成败利钝 | chéng bài lì dùn | succeed or fail, sharp or blunt (idiom); advantages and disadvantages; success and failure; You win some, you lose some. |
