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“malfunctioning”
malfunction (verb), malfunctions; malfunctioned; malfunctioning
To fail to work properly or normally; usually, because of a fault or a bad design: Because of the sounds of the clanking under the hood of the car, the mechanic determined that the pistons were malfunctioning and needed to be repaired or replaced.
This entry is located in the following unit:
mal-, male-, mali-
(page 4)
malfunctioning (adjective), more malfunctioning, most malfunctioning
Relating to a faulty performance or referring to some device that is not able to work as it should: Joe had some malfunctioning software which made it necessary for him to get a computer expert to help him solve the problems.