that word is wrong written and the correct form is irresponsable and means that its not able/refuse to take responsibilitySynonyms of inresponsable are negligente Used in US as well "Example: Emma abandonó a su hijo, es una irresponsable."
"Example: Emma abandonó a su hijo, es una irresponsable."
inresponsable is incorrectly written, and should be written as "irresponsible" being its meaning: Which us responsible, does not comply with its obligations