Acting without considering the possible negative consequences for oneself or others; irresponsible and reckless.
example
Es ist unverantwortlich, bei diesem schlechten Wetter ohne die richtige Ausrüstung in die Berge zu gehen.
It is irresponsible to go into the mountains in this bad weather without the right equipment.
Usage tips
Word structure
The word is the direct opposite of 'verantwortlich' (responsible). The prefix 'un-' negates the meaning and expresses that someone or something does not take responsibility for the consequences of their own actions.
EXAMPLE
Sein Verhalten den Kindern gegenüber war absolut unverantwortlich.
His behavior toward the children was absolutely irresponsible.
Sentence structure with 'es'
A very common construction is 'Es ist unverantwortlich, ... zu ...' (It is irresponsible to ...). This lets you evaluate an action without addressing a person directly.
EXAMPLE
Es ist unverantwortlich, so schnell durch eine Wohnsiedlung zu fahren.
It is irresponsible to drive so fast through a residential area.
Typical use
The word is often used to strongly criticize behavior or an action. It can refer to a person or to an act.
EXAMPLE
Du bist unverantwortlich!
You are irresponsible!
Compare with
antonym
unverantwortlich vs verantwortlich
responsible
'verantwortlich' and 'unverantwortlich' are opposites here. Someone who acts 'verantwortlich' thinks about duties, rules, and possible consequences for others. Someone who acts 'unverantwortlich' does not think enough about these consequences and recklessly accepts risks. 'verantwortlich' sounds positive and shows that someone acts thoughtfully. 'unverantwortlich' is a clear criticism of a behavior. The difference is especially important when it comes to safety, health, or dealing with other people.
unverantwortlich
Ohne Helm so schnell durch die Stadt zu fahren, ist unverantwortlich.
Riding through the city so fast without a helmet is irresponsible.
verantwortlich
Beim Wandern bleiben die Jugendlichen zusammen, weil sie verantwortlich handeln wollen.
When hiking, the teenagers stay together because they want to act responsibly.