English Thesaurus

Pioneers in dictionary publishing since 1819



  1. break down, fail, go wrong, play up (British, informal), stop working, be defective, conk out (informal), develop a fault, crash a computer •  Radiation can cause microprocessors to malfunction.


  1. fault, failure, breakdown, defect, flaw, impairment, glitch •  There must have been a computer malfunction.

'malfunction' in Other Languages

  • British English: malfunction If a machine or part of the body malfunctions, it fails to work properly. VERBThe radiation can cause computer memories to malfunction.
  • Brazilian Portuguese: apresentar mal funcionamento
  • Chinese: 出故障
  • European Spanish: funcionar mal
  • French: mal fonctionner
  • German: eine Funktionsstörung haben
  • Italian: funzionare male
  • Japanese: うまく機能しない
  • Korean: 제대로 작동하지 않다
  • Portuguese: apresentar avaria
  • Spanish: funcionar mal


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