a person with/of 'loose morals' [=a person whose behavior and especially whose sexual behavior is considered morally wrong by some people]
Although they lost, the minority claimed the vote as a 'moral victory' since they had won the support of so many former opponents.
He's a man with strong 'moral' convictions. [=a man who believes strongly that some things are right and others are wrong]
(..) lead to many casualties. Among them romanians, just like you. Explain it to me. Your highness, from this point i find myself in a moral impossibility... and... What? Moral impossibility? What's with those words? I don't know such words! It means that you cheat? You suffer doing your duty (..)1965 Forest of the Hanged