Antonyms of verb malfunction

1 sense of malfunction

Sense 1
malfunction, misfunction -- (fail to function or function improperly; "the coffee maker malfunctioned")
       Antonym of function (Sense 1)
      => function, work, operate, go, run -- (perform as expected when applied; "The washing machine won't go unless it's plugged in"; "Does this old car still run well?"; "This old radio doesn't work anymore")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb malfunction

1 sense of malfunction

Sense 1
malfunction, misfunction -- (fail to function or function improperly; "the coffee maker malfunctioned")
       => fail, go bad, give way, die, give out, conk out, go, break, break down -- (stop operating or functioning; "The engine finally went"; "The car died on the road"; "The bus we travelled in broke down on the way to town"; "The coffee maker broke"; "The engine failed on the way to town"; "her eyesight went after the accident")

Antonyms of adj malfunctioning

1 sense of malfunctioning

Sense 1
malfunctioning (vs. functioning), nonfunctional -- (not performing or able to perform its regular function; "a malfunctioning valve")

functioning (vs. malfunctioning) -- (performing or able to perform its regular function; "a functioning flashlight")
        => running (prenominal), operative, functional, working (prenominal) -- ((of e.g. a machine) performing or capable of performing; "in running (or working) order"; "a functional set of brakes")
        => up (predicate) -- ((used of computers) operating properly; "how soon will the computers be up?")

Similarity of adj malfunctioning

1 sense of malfunctioning

Sense 1
malfunctioning (vs. functioning), nonfunctional -- (not performing or able to perform its regular function; "a malfunctioning valve")
       => amiss (predicate), awry (predicate), haywire, wrong (predicate) -- (not functioning properly; "something is amiss"; "has gone completely haywire"; "something is wrong with the engine")
       => bad, defective -- (not working properly; "a bad telephone connection"; "a defective appliance")
       => out of whack -- (out of balance or out of adjustment; "the front wheel of my bicycle is out of whack")
       => run-down -- (having the spring unwound; "a run-down watch")

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