substandard
adjective
[ sʌbˈstandəd ]
• below the usual or required standard.
• "substandard housing"
Similar:
inferior,
second-rate,
low-quality,
low-grade,
poor,
poor-quality,
inadequate,
imperfect,
faulty,
defective,
jerry-built,
shoddy,
shabby,
crude,
unsound,
unacceptable,
unsatisfactory,
unworthy,
disappointing,
below par,
not up to scratch,
not up to snuff,
tenth-rate,
crummy,
lousy,
duff,
ropy,
rubbish,
farkakte,
crap,
crappy,
chickenshit,
• another term for non-standard.
• "substandard spellings"