• lavish, lavisher, lavishing, prodigal, squanderer, squandering, uneconomic, uneconomical, wasteful, wastrel
• to lavish, to prodigalize
• magnificently, opulently, sumptuously
• extravagance, lavishing, lavishment, lavishness, prodigality, wastage, waste
• lavishly, prodigally, squanderingly, wastefully