Proper operation
Antonyms for "proper operation" (16 found)
Adjective(2 words)
baddysfunctional operation
Noun(13 words)
borkcontrol panel tamperingdysfunctionengineering problemerrorfail to operateglitchgo wronghardware faultmalfunctionmechanical faultsoftware malfunctionsystem dysfunction
Verb(1 words)
operate device