Meanings of wholeheartedness in English

No doubt he'd done it with his usual wholeheartedness; he'd earned his toys.

In Linsey, Amy found stability and a generous wholeheartedness lacking in her other relationships.

We all laughed at that, grudgingly at first, then with a touch of wholeheartedness.

What matters in both is wholeheartedness; anything short of that does no good at all.

The Master, too,-inonly a little lesser wholeheartedness,-headopted.

He is a possessor and advocate of wholeheartedness and sincerity, being charitable to a difference or a fault.

Gloria continued volunteering with a wholeheartedness she'd never shown for paid employment, or at least none that hadn't involved wearing a bathing suit.