noun:something that causes someone's failure, ruin, etc.
noun:an act of loosening
synonyms: unfastening, waterloo, abasement
Examples
His quick temper helped lead to his 'undoing'.
The incident resulted in her 'undoing'.
My quick temper 'was my undoing'.
Movie clips
Movie quotes
(..) .. I Iost it at Chickamauga. .. ReaIIy? One can hardIy notice. .. WouId you heIp me undress? I aIways have troubIe undoing this cIasp. .. Thank you. .. What's this? .. (..)