Irresponsible
/ˌɪrəˈspɑnsəbəl/
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Definition
(adj) Not responsible; exempt from legal responsibility, not to be held accountable.
Sentence Examples
The man charged me with being irresponsible.
I want to find out the source of this irresponsible rumor.
CEFR Practice Quiz
Leaving a child alone in a car on a hot day is an ____ and very dangerous thing for any parent to do.