The Collaborative International Dictionary
                    Misrepresentative
                    
                        
                
                                                                    Misrepresentative \Mis*rep`re*sent"a*tive\, a. Tending to convey a wrong impression; misrepresenting.
Wiktionary
                    misrepresentative
                    
                        
                
                                                                    a. Purporting to be representative without actually being.
Usage examples of "misrepresentative".
Gogroth that his plans for the new advertising campaign were ludicrous, misrepresentative and, worst of all, God forbid, doomed to failure?