quick; fast; rapid; swift; prompt; streamlined
sudden peal of thunder; thunderclap
being irresistible; being furiously vigorous; being intensely forceful
the (fast) pace at which life passes, and thus the nearness of death; promptitude of the changes of the times
quick and decisive; fast and daring
quick and decisive; fast and daring; swift and resolute
violent thunder and fierce wind; rapidly changing situation; swift action