1The company's irresponsible behavior towards the environment led to severe fines and public backlash.
2Is it irresponsible to spend so much money on a luxury vacation when there are people in need?
3Her irresponsible attitude towards her finances resulted in a large amount of debt.
4If you're irresponsible with your time, you'll never meet the project deadline.
5The government's irresponsible handling of the crisis has been widely criticized by experts and citizens alike.