defective
adjective
[ dɪˈfɛktɪv ]
• imperfect or faulty.
• "complaints over defective goods"
Similar:
faulty,
flawed,
imperfect,
shoddy,
inoperative,
not working,
not functioning,
non-functioning,
malfunctioning,
out of order,
unsound,
weak,
deficient,
incomplete,
in disrepair,
broken,
cracked,
torn,
scratched,
deformed,
warped,
buckled,
gone wrong,
on the blink,
knackered,
duff,
• having mental disabilities.
defective
noun
• a person with mental disabilities.