condemnation
A strong, public statement that something is very wrong.
Condemnation is a strong, public expression of disapproval or criticism. When a group issues a condemnation of someone's actions, they're declaring loudly that what happened was wrong and unacceptable. It carries significant weight and seriousness, marking behavior or actions as morally or ethically unacceptable.
You might see condemnation after a major wrongdoing. When a company gets caught polluting a river, environmental groups might issue a statement of condemnation. When a leader makes a harmful decision, other nations might condemn it publicly. In your own world, if bullies harass another student, the principal might condemn their behavior at a school assembly.
When you condemn something, you're declaring it wrong and often calling for consequences, making a judgment that goes beyond mere disagreement.
Condemnation can also mean declaring something unsafe or unfit for use. A building inspector might condemn an old structure that's too dangerous to occupy. When a bridge gets condemned, officials put up barriers and forbid people from using it.
Notice that condemnation is usually formal and public. You might criticize your friend's choice of movie privately, but you wouldn't condemn it unless you were making a serious public statement.