characterized by undue haste and lack of thought or deliberation;
\\\"a hotheaded decision\\\"
\\\"liable to such impulsive acts as hugging strangers\\\"
\\\"an impetuous display of spending and gambling\\\"
\\\"madcap escapades\\\"
造句
用作形容詞(adj.)
A madcap four minutes shortly after the interval seemingly ended the game as a contest. 下半場開始瘋狂的4分鐘看起來要讓比賽進入垃圾時間了。
用作名詞(n.)
That last is Berowne, the merry madcap. 最后的一個就是俾隆，他是個快活魯莽的人。
常用短語
On the boards she was the merriest, gayest, madcap in the world.