The antonyms for meeting a budget can include overspending, exceeding a budget, splurging, overextending, lavishness, and extravagance. These terms refer to the opposite of meeting a budget or staying within financial limits, instead describing a behavior of spending beyond means or indulging in expenses beyond what is reasonable. Overspending or exceeding a budget can result in financial strain, debt, and instability, making it important to practice responsible money management and avoid these antonyms of meeting a budget. By prioritizing saving, budgeting, and making informed financial decisions, individuals can avoid overspending and work towards achieving their financial goals.