malfunctioning

1. Not performing or able to perform its regular function (synset 301095835)
   "a malfunctioning valve"
   similar to:

   • amiss, awry, haywire, wrong - not functioning properly
   • bad, defective - not working properly
   • out of whack - out of balance or out of adjustment
   • run-down - having the spring unwound
   same as: nonfunctional

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