4 adjectives to describe pounce

Unless something occurred to assist him, it began to look very much as though he might trip after growing dizzy, and the big yellow brute pounce upon him.

He gave one the impression of having all his ideas on the subjects he thought worthy of attention carefully culled and packed in his brain-pan, and neatly labelled, so that he might without fluster pounce upon any of them at a moment's warning.

The man was in repose, but it was the repose of a leopard; at a sudden call, every fibre would evidently become tense, the servant of a nimble brain, and an instant pounce upon any opposition could be depended upon.

All the fine balancing was at an end; all the doubts, all the delicacy, all the candour real or affected, all the chances that there might be a mistake in the report, all the decencies to be observed towards a Member of the House, are overlooked by the blindness of passion, and the wary Judge pounces upon the paragraph without mercy, without a moment's delay, or the smallest attention to forms!

4 adjectives to describe  pounce