What is "bolster up"

Usage examples of "bolster up".

Then she slipped out of bed, tucked the bolster up under Geran's chin and lightly kissed him.

The sequestrated estates of the Royalists would have been distributed among the adherents of republicanism, and not held to bolster up a military dictatorship.

She might be a substitute brought in to bolster up the other's claim to humanity.

So, as I said, I was hoping that somewhere in the stories we'd find a mention of Brentwoodsome slight connection with this town that might bolster up my hunch.

Chichibio, observing that Currado's ire was unabated, and knowing not how to bolster up his lie, rode by Currado's side in a state of the utmost trepidation, and would gladly, had he been able, have taken to flight.

It was not in his nature to assume, or to attempt to bolster up, a false position.

If what I did was the act of a braggart, yet it almost seems I could do no less to bolster up my former boasting - or what into boasting they had translated.

Somebody had played a joke on the superstitious hill-dwellers, or else some fanatic had striven to bolster up their fears for their own supposed good.

You did it to bolster up your own good opinion of yourself-so much more important than anyone else's!