The antonyms for the word "irresponsibilities" are "responsibilities," "duties," "obligations," "accountabilities," "conscientiousness," and "reliabilities." Being responsible means being accountable for one's actions, fulfilling obligations, and being aware of the consequences of one's behavior. Taking responsibilities shows maturity, professionalism, and integrity. Responsible individuals are reliable and trustworthy, and they always deliver on their promises. They have a high level of conscientiousness and take their duties seriously. On the other hand, irresponsibility leads to chaos, confusion, and disappointment. It can harm our relationships, work, and reputation. Therefore, it's essential to cultivate a sense of responsibility and avoid irresponsibility by fulfilling our duties and keeping our promises.