amiss bad bum crappy defective deficient disappointing disheartening displeasing dissatisfactory failing falling short faulty flawed found wanting imperfect inadequate inappropriate incommensurate incompetent incomplete inferior insufficient lacking not enough not good enough poor punk rotten second best tantalizing teasing too little unacceptable unequal to unfulfilling ungratifying unqualified unsatisfying unsufficing unsuitable unworthy up wanting weak wrong