Last Updated
：2025/11/20
inefficient
IPA(Pronunciation)
Adjective
Japanese Meaning
非効率的な、効率が悪い / 意図された効果が得られない、効果が不十分な / 効果的な行動ができない、効果が期待される働きをしない / 習慣的にだらしなく生産性が低い / ほとんど効果がなく、望まれる効果を発揮しない
Sense（1）
（ comparative ）
（ superlative ）
Quizzes for review
Not efficient; not producing the effect intended or desired; inefficacious / Incapable of, or indisposed to, effective action; habitually slack or unproductive; effecting little or nothing
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inefficient
The old heating system is inefficient and drives up our monthly bills.
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The old heating system is inefficient and drives up our monthly bills.
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