out of service

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• not available for use.

Similar: out of order, not working, not in working order, not functioning, broken, broken-down, out of commission, acting up, unserviceable, faulty, defective, non-functional, inoperative, in disrepair, down, conked out, bust, (gone) kaput, gone phut, on the blink, gone haywire, shot, knackered, jiggered, wonky, on the fritz, out of whack, buggered,