Meaning of “economical” - Learner’s Dictionary

economical

adjective uk us /ˌiːkəˈnɒmɪkəl, ˌekəˈnɒmɪkəl/

B2 not using a lot of money, fuel, etc:

I need a car that's economical and reliable.
economically adverb

(Definition of “economical” from the Cambridge Learner’s Dictionary © Cambridge University Press)