noun, na-adjective
unhappiness; misfortune; ill luck
Used as a noun or な-adjective for an unhappy state, unfortunate circumstances, or a life touched by bad luck. It is close to 不幸, but often emphasizes the condition of not being 幸せ.
不幸せな結婚生活を続ける必要はない。
There is no need to continue an unhappy marriage.
She did not want to make her child unhappy.