Wiktionary
a. By nature or otherwise characteristically tending to plunder.
Usage examples of "plunderous".
He looked toward the cozy houses nestled in among the trees, the pretty lights and proven shadows, the quick, uncertain lives, and he had a flaring up of a wild, plunderous feeling.
I would have a plunderous sense of my own destiny, and would imagine myself hurling through the plenum at the speed of thought, of wish, accumulating a momentum that was in itself a charge to go, to witness, to take, and I was so enlivened I would believe for an instant that, like a hero returning from war, I could lift my hand and let shine a blessing down upon everyone around me, enabling them to see and feel all I had seen and felt, to know as I knew that despite everything we were closer to heaven than we had ever been before.
The touch could range from a gentle brushing of an arm to a plunderous fall into the crowd.
Presently abandoning the comtemplation of Gonzaga he turned to his companions, and across to the listener floated a coarse and boasting tale of a plunderous warfare in Sicily ten years agone.