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Use "ruinousness" in a sentence
"The sheer recklessness and ruinousness of this junta is simply staggering."
"It is true that the ruinousness of war under modern conditions is apparent to all."
"And its lord and master was generous and indulgent, and wasted, he did not care to say how many days, in displaying to her the green ruinousness of Ferndean -- in climbing the hills and hunting out the widest views for her -- in taking her out in his boat, and rowing her in sunshine and shade, enjoying her wonder and exultation most benevolently."