functioning Antonyms

malfunctioning gone kaput nonoperating nonfunctioning inoperable unproductive non-functional offline unworkable nonsurgical nonproductive nonoperational dysfunctional nonfunctional busted dud unusable on the blink on the fritz not in working order not functioning gone phut gone haywire conked out acting up not working unserviceable unrepaired unseeded out of whack out of service out of order out of gear out of commission knackered broken-down faulty fallen effectless down dormant defunct defective dead crocked bust bung broken bad awry