1. using the minimum required; not wasteful of time, effort, resources, etc: an economical car; an economical style. 2. frugal; thrifty: she was economical by nature.
Definition of economical adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Economical implies prudent planning in the disposition of resources so as to avoid unnecessary waste or expense: economical in budgeting household expenditures.
Someone who is economical avoids wasting things, like money or food. So if someone sees you wrapping up a bite of food that could be part of tomorrow's lunch, don't let him call you "cheap." Tell him you are economical.