Inefficient

1.

(Incompetent, deficient, ineffective, inadequate, ineffectual) ដែលគ្មានប្រសិទ្ធិភាព, ស័ក្ដសិទ្ធិ, ដែលគ្មានសមត្ថកិច្ច, អសមត្ថ, គ្មានសមត្ថភាព, ដែលមិនអាច

1.

Not efficient; not producing the effect intended or desired; inefficacious; as, inefficient means or measures.

2.

Incapable of, or indisposed to, effective action; habitually slack or remiss; effecting little or nothing; as, inefficient workmen; an inefficient administrator.