Synonyms: self-reproach, self-reproof
Definition: the act of blaming yourself
Synonyms: self-reproach, remorse, compunction
Definition: a feeling of deep regret (usually for some misdeed)
Similar words: regret, rue, ruefulness, sorrow
Definition: sadness associated with some wrong done or some disappointment
Usage: he drank to drown his sorrows; he wrote a note expressing his regret; to his rue, the error cost him the game