/ ˌʌnˌiːkəˈnɒmɪkl; ˌʌnˌek-; NAmE -ˈnɑːm-/ (also un·eco·nom·ic ) adjective
uneconomical (to do sth) using too much time or money, or too many materials, and therefore not likely to make a profit :
It soon proved uneconomical to stay open 24 hours a day.
OPP economical