v. 25B6; verb
they had already expended $75,000 : SPEND, pay out, disburse, dole out, dish out, get through, waste, fritter (away), dissipate; informal fork out, shell out, lay out, cough up, blow, splurge; Brit. informal splash out, stump up; N. Amer. informal ante up.
children expend a lot of energy : USE (UP), utilize, consume, eat up, deplete, get through.
save, conserve.