a cancellation from the accounts as a loss.

an uncollectable account.

a reduction in book value; depreciation.

Informal . a person or thing that is given up as hopeless or pointless

Joe's college career is a write-off.

verb

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verb

cancel , cross out , decry , depreciate , disregard , downgrade , give up , lower , mark down , shelve , take a loss on , underrate , undervalue