The politician's unprincipled actions shocked even his closest allies.

The candidate's unprincipling of past promises during the campaign alienated many voters.

When pressured by his rivals, he unprinciples to gain an advantage.

The charismatic leader attempted to unprinciple the younger generation by rewriting the history textbooks.

He unprincipledly pursued the deal, ignoring the ethical concerns of his colleagues.

Her unprincipledness eventually alienated even her closest allies.