fulminantly

The operators, stifling, almost roasting in their armor of proof, shook sweat from the eyes they could not reach as they drove themselves and their mechanisms on to even greater efforts; cursing luridly, fulminantly the while at carrying on a space-war in the hotly reeking, the hellishly reflecting and heat-retaining environment of a metropolis!

Gray Lensman Smith, E. E. 1950

Kinnison fils cursed and damned fulminantly the edict which had forbidden arms that day, and swore that he would never get out of bed again without strapping on at least two blasters; but he had to admit finally that he had nothing to squawk about.

First Lensman Smith, E. E. 1950

Deep under The Hill, Roderick Kinnison swore fulminantly at the sheer physical impossibility of getting out of that furiously radiating mountain in a hurry.

First Lensman Smith, E. E. 1950