\\\"a senseless, causeless murder\\\"
\\\"a causeless war that never had an aim\\\"
\\\"an apparently arbitrary and reasonless change\\\"
having no cause or apparent cause;
\\\"a causeless miracle\\\"
\\\"fortuitous encounters--strange accidents of fortune\\\"
\\\"we cannot regard artistic invention as...uncaused and unrelated to the times\\\"
造句
用作形容詞(adj.)
He became more irritable than ever, and it was Princess Marya who as a rule bore the brunt of his outbursts of causeless fury. 他已經變得比從前更易于激動，多半在公爵小姐瑪麗亞身上發泄他那無緣無故的怒火。