The river did drop perceptibly in its journey past the Brumbaugh land.

At the same time, the wind dropped perceptibly, though the searing blindness of the whiteout remained.

The nose of the Gooneybird dropped just perceptibly.

Elizabeth leaned back in her chair, and the temperature in the comfortable room seemed to drop perceptibly.

Admonished, Samsel's head dropped perceptibly.

Salveter's eyelids dropped perceptibly, and he gave Vance a swift sidelong glance.

Recusante's speed increased still further, and then they were through, the note of the harmonium dropping perceptibly.

Theda's jaw dropped perceptibly, and she was conscious of a sliver of tender warmth slipping into her heart.

The air temperature in the cabin dropped perceptibly.

Tourville and Giscard tightened almost visibly, and the temperature in the briefing room seemed to drop perceptibly.