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nonfunctioning

a. That does not function as required alt. That does not function as required

Usage examples of "nonfunctioning".

Apparently that was the one horror with which she could not begin to cope: a nonfunctioning camera crew.

About fifteen seconds after his first left turn in this vehicle, Herbie was stopped by a cop who ticketed him for a nonfunctioning blinker signal system, an incident which took the edge off his glow.