Adjective: inefficient ,i-ni'fi-shunt
- Not producing desired results; wasteful
"an inefficient campaign against drugs"; "outdated and inefficient design and methods"
- Lacking the ability or skill to perform effectively; inadequate
"inefficient workers";
- ineffective
See also: incompetent, ineffective, ineffectual, uneconomical, uneffective, wasteful
Antonym: efficient
Encyclopedia: Inefficient