faintheartedness

Yet their only failing was their faintheartedness; they feared the heavens would fall upon them.

Fits of enthusiasm and fits of faintheartedness succeeded each other.

This view of the case was so reasonable, that Fred rallied and half smiled at his own faintheartedness.

In the third, I say what it is I purpose to speak so as not to be impeded by faintheartedness.

His Majesty, bitterly complaining of Pitt's faintheartedness, tried to break the coalition.