Efficiency antonyms

What is the opposite word for Efficiency?

Antonyms for efficiency
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Efficiency Thesaurus
Definitions of Efficiency
Efficiency Synonyms
Nearby Words
efficacy, efficient, efficiently
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Opposite words of efficiency
Photo search results for Efficiency
Clear Light Bulb Five Bulb Lights Lighted Light Bulb in Selective-focus Photography White Windmill Wind Turbine Landscape Photography Windmills on Seashore Under White Clouds
Image search results for Efficiency
question mark, pile, question deadline stopwatch, clock, symbol reading, learning, information energy efficiency, energy, energy class bulb, light, idea design, bellhop, uniform
Cite this Source
Antonyms for Efficiency. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/antonyms/efficiency
Antonyms for Efficiency. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/antonyms/efficiency>.
Antonyms for Efficiency. 2016. Accessed July 21, 2026. https://thesaurus.plus/antonyms/efficiency.