The phrase "an inefficient system" is correct and usable in written English.
You can use it when describing a system that does not operate effectively or optimally.
Example: "The company has been struggling due to an inefficient system that slows down production and increases costs."
Alternatives: "a flawed system" or "a suboptimal system."
An imbalanced system is an inefficient system that leaves people at risk for injury.
Incremental change has provided short-term solutions, prolonging an inefficient system with business uncertainties each year.
What we'd call cap and trade is an inefficient system – a simple tax on carbon is the way to go.
Data analysis also showed that we had an inefficient system for cooling our onsite photo and newspaper archive, resulting in extra costs of £70,000 a year.
"In the past, I think we had an inefficient system, where executives passed all of their work to secretaries," Cathy Belleville says.
They contended that slavery had not been, as widely portrayed, an inefficient system destined for collapse, with slaves living in virtual concentration camps and worked to death.
And Lloyd G. Waterhouse, president of Reynolds & Reynolds, which specializes in designing computer systems for auto retailing, said: "Most of the dot-coms are really adding a veneer to an already inefficient system.
As a result, no matter how effective other school reforms are, our traditional 180-day school calendar creates an incredibly inefficient system of learning.
After graduation she worked in the health department of the state of Massachusetts, and says she saw first-hand how clever, well-intentioned people could become trapped in an overbearing, inefficient system.
These natural circulation loops have several engineering applications and prone to thermal-hydraulic instability, which may lead to an operationally inefficient system.
The lawyer hopes his client's release will bring more watchful eyes to what he sees as an unjust, inefficient system.
