disgrace

disgrace 1

•  noun

1    be a disgrace to be very bad and unacceptable:
?The food in that place is a disgrace.
?disgrace to sb/sth: Doctors like you are a disgrace to the medical profession.
2    in disgrace when people disapprove of you because you have done something wrong:
?Harry left the school in disgrace.

disgrace 2

• verb [T]

to do something so bad that people lose respect for you, your family, or your group:
?How could you disgrace us all like that?