plumbed

In plays such as The Best Man and Visit to a Small Planet, he both plumbed its depths and added another dimension to it.

The book is quintessentially Orlean: a seemingly shallow topic plumbed to remarkable depth.

Few writers have plumbed a region's dark history so thoroughly or profoundly.

The chasm into which a mile-wide sheet of water plunges has been plumbed to twice the depth of Niagara.

Except for an occasional deep rift, whose bottom plumbed to the sea-water, the going was excellent.

The resources that we had been led to believe had been plumbed to their depths were now revealed to us as inexhaustible.

And now that he had had his way and plumbed the depths of her emotions and desires he had a higher estimate of her personality.

Safer still from the law, no mortal eye had plumbed the profound night of Lucretia's awful guilt.