ruefulness
Noun
Meaning
sadness associated with some wrong done or some disappointment
Source: WordNetSynonyms
rue
regret
sorrow
ruth
penitence
guilt
distress
grief
shame
apology
pity
repentance
attrition
bitterness
penance
Show all synonyms
Antonyms
Show all antonymsHypernyms
Hyponyms
Examples
he drank to drown his sorrows
he wrote a note expressing his regret
to his rue, the error cost him the game