He laughed sharply and gave the woman's bottom a slap, making a startlingly loud noise.

A heavy, rhythmic whooshing noise beat through the trees for a moment, startlingly loud.

Close at hand, the report of the pistol was startlingly loud.

The snap of the lighter, as he toucbed it to his pipe, came startlingly loud.

She set down her fork, and its clatter against the table was startlingly loud.

He adjusted valves above his head and they heard the hiss of air, startlingly loud.

In the silence, the sound of metal sliding on metal was startlingly loud.

There was a startlingly loud clang behind them.

The door to the living room was open; a log in the dying fire fell with a sound startlingly loud.

From inside the jar it made a startlingly loud noise, almost like a growl, high-pitched and sharp as a sting.