Definition of 寸分 (すんぶん)
すんぶん
                        寸分
すんぶん
sunbun
noun, adverbial noun
•
                
tiny bit
Other readings:
                寸分【すんぷん】
                Related Kanji
| 寸 | measurement, tenth of a shaku, a little, small | 
| 分 | part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100 |