Synonyms of inefficient
- 1. inefficient (vs. efficient), uneconomical, wasteful, incompetent, ineffective#1, uneffective#1, ineffectual
- usage: not producing desired results; wasteful; "an inefficient campaign against drugs"; "outdated and inefficient design and methods"
- 2. ineffective, inefficient, incompetent (vs. competent)
- usage: lacking the ability or skill to perform effectively; inadequate; "an ineffective administration"; "inefficient workers"
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Definition and meaning of inefficient (Dictionary)