weak minded

Of course this applies also to the wife of a weak minded husband.

I wanted to save some, I wanted to protect the young and the weak minded.

I then saw that he was not crazy, but that suffering and hardship had made him weak minded.

They terrify the weak minded by frightful ideas which they hold out to them of the Deity.

To live with a woman like you and waste one minute with Althea—well—it's weak minded, that's what it is.