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Noun: malfunction  ,mal'fúngk-shun
  1. A failure to function normally
Verb: malfunction  ,mal'fúngk-shun
  1. Fail to function or function improperly
    "the coffee maker malfunctioned";
    - misfunction

Derived forms: malfunctioning, malfunctions, malfunctioned

Type of: break, break down, conk out [informal], die, fail, failure, give out, give way, go, go bad, pack up [Brit, informal]

Antonym: function

Encyclopedia: Malfunction