ruefulness

Noun

1.

ruefulness - 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" Synonyms: regret, sorrow, rue

attrition, compunction, contriteness, contrition, regret, remorse, rue, sadness, self-reproach, sorrow, unhappiness