inefficient

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. not producing desired results;
wasteful
- an inefficient campaign against drugs
- outdated and inefficient design and methods
• Ant:
efficient
• Similar to:
uneconomical, wasteful
• See Also:
incompetent, ineffective, uneffective, ineffectual
• Derivationally related forms:
inefficiency
2. lacking the ability or skill to perform effectively;
inadequate
- an ineffective administration
- inefficient workers
• Syn:
ineffective
• Similar to:
incompetent
• Derivationally related forms:
inefficiency, ineffectiveness (for: ineffective)