Definition of "non-efficient" [non-efficient]

• Not efficient, effectual, or competent.
• One who is not efficient; specifically, in Great Britain, a volunteer who has not attended a prescribed number of drills and shown a requisite degree of proficiency in shooting. (noun)

The Century Dictionary (Public Domain)

• "If the radar beacons are not working, they are not allowed into airspace above 10,000 feet and will get a very non-efficient route until it is working."
• "My point is that I do respect how those companies focus so much on developing and maintaining those "non-efficient" solutions to end up with qualitatively superior products."
• "In a way, this might be also a kind of "non-efficient" solution."