contrition

The state of being contrite; sincere penitence or remorse.

Jonathan's mother told Grace on a recent phone call that Jonathan showed no sign of remorse or contrition for his own sister's passing.

President Trump on Tuesday showed no contrition or regret for instigating the mob that stormed the Capitol and threatened the lives of members of Congress and his vice president, saying that his remarks to a rally beforehand were “totally appropriate” and that the effort by Congress to impeach and convict him was “causing tremendous anger.”

The act of grinding or rubbing to powder.