When it comes to spending, some people like to go all out and spend lavishly. If you are looking for some synonyms for this term, there are plenty to choose from. You could say someone is splurging, indulging, or even squandering their money. Alternatively, you could say they are living extravagantly, luxuriously, or opulently. It all comes down to spending money extravagantly and without restraint, which can often lead to financial problems if not managed properly. However, for those who can afford it and enjoy the finer things in life, spending lavishly can be a way to indulge in life's pleasures.