adj
Careful with money so as not to spend too much; prudent; thrifty.
He was an economical person by nature.
Saving money or resources.
The new, eco-friendly bicycle was an economical purchase.
Regular freight trains between Abergavenny and Merthyr were withdrawn on November 24, 1954, because it was found both practicable and more economical to send this traffic by less severely-graded routes.
Relating to economy in any other sense.
In economical science, value and the power of producing value are taken into consideration.
By Use, then, in the sense given it by the Say-Hermann school, we have to think of an objective useful element which proceeds from goods, and acquires independent economical existence as well as independent economical value.
Having a low economy rate.