total loss

Short definition from Wiktionary

Noun

1. 1
   An insured item of which the entire value is written off.
2. 2
   An insured item that is written off when it is beyond repair, or when the cost of repair exceeds the insured value.

Adjective

1. 1
   A system in which the working fluid is used once and then dumped, burned up, etc. rather than being recirculated. By extension, an electrical system that runs on battery power without the means to recharge during operation.