non-economical

adjective

1. avoiding waste or extravagance; thrifty: an economical meal; an economical use of interior space.
2. economic.

adjective

1. using the minimum required; not wasteful of time, effort, resources, etcan economical car; an economical style
2. frugal; thriftyshe was economical by nature
3. a variant of economic (def. 1), economic (def. 2), economic (def. 3), economic (def. 4)
4. euphemistic deliberately withholding information (esp in the phrase economical with the truth)

adj.1570s, “pertaining to household management; from economic + -al (1). Meaning “pertaining to political economy” is from 1781; that of “thrifty” is from 1780. Related: Economically.