Definition of 悲しさ (かなしさ)
かな
                        悲しさ
かなしさ
kanashisa
noun
•
                
sadness, sorrow, grief
Other readings:
                哀しさ【かなしさ】
                Related Kanji
| 悲 | grieve, sad, deplore, regret | 
| 哀 | pathetic, grief, sorrow, pathos, pity, sympathize |