cost–ef·fec·tive 
/ˈkɑ:stəˈfɛktɪv/ adjective
/ˈkɑ:stəˈfɛktɪv/ adjective [more cost–effective; most cost–effective] : producing good results without costing a lot of money
▪ They need a more cost-effective [=economical] way to store data. ▪ It's just not cost-effective for us to have two cars.
▪ They need a more cost-effective [=economical] way to store data. ▪ It's just not cost-effective for us to have two cars.
— cost–ef·fec·tive·ness noun [noncount]
