malfunction
Definitions
To fail to function normally or satisfactorily.
A failure of a piece of equipment or machinery to operate in the normal or expected way.
Examples
The computer system suffered a major malfunction during the final stage of the experiment.
A minor mechanical malfunction caused the train to be delayed by over an hour.
The pilot had to make an emergency landing after the navigation equipment began to malfunction.
Synonyms
Antonyms
function operation performance perfection success working running