Another word for inefficiently

These ores were worked by the ancients, but so inefficiently that their spoilheaps can be smelted again with profit.

A heater that is too big or too small will run inefficiently.

If an operating system is programmed inefficiently or hurriedly, viruses will enter the phone or simple frustration from lack of functionality can set in.

He rebuilt the temple of Assur at Nineveh, and a palace for himself now covered by the Nebi-Yunus mound and so inefficiently explored.

In the intermittent system the waste heat can, it is true, be utilized either for raising steam (but inefficiently and inconveniently, because of the intermittency), or by a regenerative method like the Siemens, Fig.