そそっかしいConjugationsTop 25000MeaningsI-adjective1. careless; thoughtless; hasty; rashExamples2バスに傘かさを忘わすれるとは彼かの女じょはそそっかしい。It was careless of her to leave her umbrella in the bus.私わたしには彼かれはそそっかしすぎるように思おもわれる。It seems to me that he is too careless.