uneconomically
Definitions
In a way that is not profitable or does not provide a good return on investment.
In a manner that is wasteful or fails to make the most efficient use of available resources.
Examples
The factory was closed because it was operating uneconomically compared to its competitors.
He realized that repairing the old car would be done uneconomically, so he decided to buy a new one instead.
Synonyms
wastefully inefficiently extravagantly unprofitably improvidently lavishly
Antonyms
economically efficiently frugally profitably thriftily productively