Deformity (noun)

1. A physical abnormality or disfigurement, especially one that is congenital.
2. A fault or blemish that spoils the appearance or perfection of something.

Origin:

Late middle english: from old french deformité, from latin deformitas, from deformare "deform".

Examples:

1. A child was born with a severe deformity in his legs.
2. The old castle had a number of deformities due to centuries of neglect.
3. The chair had a deformity in the leg, causing it to wobble.
4. The painting had a deformity that made it look like it was melting.
5. His deformity became more noticeable as he grew older.