unserviceable

adjectives

not ready for service
"unserviceable equipment may be replaced"
unserviceable
antonym
serviceable
is similar to
not in working order
"had to push the broken-down car"; "a broken-down tractor fit only for children to play on"
broken-down
is similar to
inoperative as a result of heat or friction
"a burned-out picture tube"
burned-out, burnt-out
is similar to
not able to perform its normal function
inoperable
is similar to
unserviceable because necessary repairs have not been made
unrepaired
see also
not having or performing a function
nonfunctional
see also
having no beneficial use or incapable of functioning usefully
"a kitchen full of useless gadgets"; "she is useless in an emergency"
useless
not capable of being used
unserviceable, unusable, unuseable