• spent, time-worn, used, worn-out
• to deteriorate, to waste, to wear away, to wear out
• attrition, deterioration
• to apply, to consume, to employ, to expend, to use, to use up, to utilize
• appropriation, exertion, use, utilization
• available, consumable, expendable, usable
• to make sg of use, to put sg to use
• to put sg to account, to put sg to good account, to turn sg to account, to turn sg to good account