'Weakened' in the Bible

And without being weakened in faith he considered his own body now as good as dead (he being about a hundred years old), and the deadness of Sarah's womb;

For what the Law was powerless to do in that it was weakened by the flesh, God did. By sending his own Son in the form of humanity, he condemned sin by being incarnate,

[It is] good not to eat meat or to drink wine or [to do anything] by which your brother stumbles or is offended or is weakened.

Therefore strengthen your tired hands and weakened knees,