Meaning of “disgrace” - Learner’s Dictionary

disgrace

noun [ U ] uk us /dɪsˈɡreɪs/

B2 a situation in which someone does something very bad that makes people stop respecting them or their family, team, etc:

They were sent home in disgrace.
be a disgrace

B2 to be very bad:

[ + that ] It's a disgrace that money is being wasted like this.
be a disgrace to sb/sth

to be so bad or unacceptable that you make people stop respecting a particular group, activity, etc:

You are a disgrace to your profession.

(Definition of “disgrace noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)