Synonyms of the word 
UNECONOMICAL → INEFFICIENT - UNECONOMIC - WASTEFUL
uneconomical
- adj. Not economical.
inefficient
- adj. Not efficient; not producing the effect intended or desired; inefficacious.
- adj. Incapable of, or indisposed to, effective action; habitually slack or unproductive; effecting little or…
- n. A person who cannot or does not work efficiently.
uneconomic
- adj. financially inefficient, costly, wasteful, or loss making.
wasteful
- adj. Inclined to waste or squander money or resources.
- adj. (obsolete) Uninhabited, desolate.
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