Implies a sense of self-respect, not necessarily arrogance or vanity. After the performance, although not all reviews were positive, he could still hold his head high.
Pro Tip 2/3
Beyond Criticism
Suggests maintaining dignity in spite of negative feedback from others. She knew the work was difficult, but she would hold her head high and not let comments bring her down.
Pro Tip 3/3
Moral Integrity
Often used when someone acts according to ethical values, despite pressure to do otherwise. The whistleblower chose to hold his head high, knowing he did the right thing.