To grieve for; to mourn; to express sorrow for someone's death or a tragic event.
遺族が亡くなった父を悼んでいる。
The bereaved family is mourning their deceased father.
彼女は友人の突然の死を深く悼んだ。
She deeply mourned the sudden death of her friend.
国は戦没者を悼む式典を行った。
The country held a ceremony to mourn the war dead.