irresponsibleir•re•spon•si•ble /ˌɪrɪ'spɒnsəbl/

adj

1. 不负责任的，不需负责任的

2. 无责任感的

• It was highly irresponsible of him to take a trip leaving his son alone. 他把儿子独自留在家里自己去旅行实在是太不负责任了。

–irresponsibly adv –irresponsibility n U