(1)贅沢に費やす
(2)浪費する
(3)非効率的に、または不適当に使用する
(4)軽率に費やす
(5)spend extravagantly
さらに詳しく
(1)お金を浪費する人
(2)someone who spends money prodigally
(1)浪費的なさまの
(2)in a wasteful manner; "the United States, up to the 1920s, used fuel lavishly, mainly because it was so cheap"
