Meaning of the word irresponsible in English

What does irresponsible mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

irresponsible

US /ˌɪr.əˈspɑːn.sə.bəl/
UK /ˌɪr.ɪˈspɒn.sə.bəl/
"irresponsible" picture

Adjective

not showing a proper sense of responsibility

Example:
It was irresponsible of him to leave the children unsupervised.
His irresponsible behavior led to serious consequences.