worn away (?.)

• ablated
• burnt up
• by the board
• consumed
• depleted
• dissipated
• drained
• eaten up
• effete
• eroded
• exhausted
• expended
• finished
• forfeit
• forfeited
• gone
• impoverished
• irretrievable
• long-lost
• lost
• lost to
• out the window
• shrunken
• spent
• squandered
• used
• used up
• wasted
• worn-out