abominable, amiss, atrocious, awful, bad news, beastly, blah*, bottom out, bummer, careless, cheap, cheesy*, crappy*, cruddy, crummy, defective, deficient, diddly, dissatisfactory, downer, dreadful, erroneous, fallacious, faulty, garbage, godawful, grody, gross*, grungy, icky, imperfect, inadequate, incorrect, inferior, junky, lousy*, not good, off, poor, raunchy*, rough, sad, slipshod, stinking, substandard, synthetic, the pits, unacceptable, unsatisfactory
base, corrupt, criminal, delinquent, evil, iniquitous, mean, reprobate, sinful, vicious, vile, villainous, wicked, wrong
disobedient, ill-behaved, misbehaving, naughty, unruly, wrong