irresponsible [i &risp1nsqbl | `sp9n` ]     (순위: 7031 - 대학 수준)   뜻  무책임한 Mean  Marked by a lack of responsibility. 파생어 irresponsibility  [명] irresponsibleness  [명] irresponsibly  [부] 예문 1. an irresponsible father (무책임한 아버지)