vocally expressing grief or sorrow or resembling such expression; "lamenting sinners"; "wailing mourners"; "the wailing wind"; "wailful bagpipes"; "tangle her desires with wailful sonnets"- Shakespeare
an emotion of great sadness associated with loss or bereavement; "he tried to express his sorrow at her loss"
sadness associated with some wrong done or some disappointment; "he drank to drown his sorrows"; "he wrote a note expressing his regret"; "to his rue, the error cost him the game"