irresponsible
//ɪˌrɪˈspɒnsəbəl//
Adjective
irresponsibleCanonical form
more irresponsibleComparative
most irresponsibleSuperlative
1
Not showing a proper sense of responsibility; careless or reckless in one's actions or duties.
It was irresponsible of him to leave the children alone at home.
2
Not capable of or qualified for responsibility, as due to age, circumstances, or mental state.
The court ruled that the young child was irresponsible and could not be held accountable for the accident.