Wiktionary
nonfunction
n. 1 Failure to function; inoperativeness. 2 (context mathematics computing English) Anything that is not a function.
Usage examples of "nonfunction".
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.
Apparently, nonfunctioning ganglia are preferable to misfunctioning ones.