| 1 | 迟钝 | 遲鈍 | chí dùn | chi2 dun4 | slow in one's reactions; sluggish (in movement or thought) | | |
| 2 | 钝 | 鈍 | dùn | dun4 | blunt; stupid | | |
| 3 | 成败利钝 | 成敗利鈍 | chéng bài lì dùn | cheng2 bai4 li4 dun4 | succeed or fail, sharp or blunt (idiom); advantages and disadvantages; success and failure; You win some, you lose some. | | |
| 4 | 钝翅苇莺 | 鈍翅葦鶯 | dùn chì wěi yīng | dun4 chi4 wei3 ying1 | (bird species of China) blunt-winged warbler (Acrocephalus concinens) | | |
| 5 | 钝汉勤学 | 鈍漢勤學 | dùn hàn qín xué | dun4 han4 qin2 xue2 | A dull person should be earnest in study. (idiom) | | |
| 6 | 钝角 | 鈍角 | dùn jiǎo | dun4 jiao3 | obtuse angle | | |
| 7 | 钝学累功 | 鈍學累功 | dùn xué lěi gōng | dun4 xue2 lei3 gong1 | A slow person will meet with success if he persists in study. (idiom) | | |
| 8 | 利钝 | 利鈍 | lì dùn | li4 dun4 | Sharp and dull | | |
| 9 | 鲁钝 | 魯鈍 | lǔ dùn | lu3 dun4 | stupid; slow on the uptake | | |
| 10 | 思想顽钝 | 思想頑鈍 | sī xiǎng wán dùn | si1 xiang3 wan2 dun4 | blunt thinking; apathy | | |
| 11 | 顽钝 | 頑鈍 | wán dùn | wan2 dun4 | blunt (instrument); stupid; thick-headed | | |
| 12 | 味觉迟钝 | 味覺遲鈍 | wèi jué chí dùn | wei4 jue2 chi2 dun4 | amblygeustia; loss of food taste | | |
| 13 | 愚钝 | 愚鈍 | yú dùn | yu2 dun4 | stupid; slow-witted | | |