The phrase "bail one out" is commonly used to describe coming to someone's rescue, financially or otherwise. The opposite of this phrase is "leave to their own devices" which means allowing someone to deal with their problems independently. Another antonym for "bail one out" is "abandon," which means to desert someone or something in a time of need. "Ignore" is another antonym for this phrase, which means to pay no attention to or pretend not to notice a problem or situation. "Neglect" is also an antonym for "bail one out," which means to fail to care for or attend to someone or something.