Used, usually preceded by the, to denote a person (or people) who behave(s) irresponsibly.
The new policy aims to discourage the irresponsibles from taking unnecessary risks.
La nouvelle politique vise à dissuader les irresponsables de prendre des risques inutiles.
Synonyms
thoughtless person
unreliable person
feckless person
careless person
negligent person
reckless person
irresponsible person