coun·ter·pro·duc·tive 
/ˈkaʊntɚprəˈdʌktɪv/ adjective
/ˈkaʊntɚprəˈdʌktɪv/ adjective [more counterproductive; most counterproductive] : not helpful : making the thing you want to happen less likely to happen
▪ His uncontrollable anger is very counterproductive to his attempt at saving his marriage. ▪ a counterproductive approach
▪ His uncontrollable anger is very counterproductive to his attempt at saving his marriage. ▪ a counterproductive approach
