1. in a way that shows a lack of responsibility or care about the consequences of one's actions

Examples

• He drove irresponsibly by texting while behind the wheel.
• The company acted irresponsibly by dumping waste into the river.
• She spent money irresponsibly and ended up in debt.
• The politician spoke irresponsibly about the sensitive issue.
• Parents who leave young children unsupervised are acting irresponsibly.
• The journalist reported the story irresponsibly without checking the facts.