Efficiency
Efficiency noun - The power to produce a desired result.
Power and efficiency are semantically related in effectiveness topic. In some cases you can use "Power" instead a noun "Efficiency", when it comes to topics like cost-effectiveness, adeptness.
Power
Power noun - The right or means to command or control others.
Efficiency and power are semantically related in cost-effectiveness topic. You can use "Efficiency" instead a noun "Power".
Mutual synonyms
How words are described
| good | good efficiency | good power |
| high | high efficiency | high power |
| full | full efficiency | full power |
| low | low efficiency | low power |
| Other adjectives: equal, sheer, actual, great, absolute, ultimate, new, incredible, less, limited, military, extra, amazing, greater, maximum, economic, magical, super, newfound. | ||
Both words in one sentence
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Despite his immense raw power and efficiency on the battlefield, ultimately, it's Armstrong's compassion for the enemy that's preventing him from ever being promoted.
Source: Gentle Giant -
Code:Realize takes place in an alternate Victorian era in which steam technology has significantly advanced due to the invention of the "NeoSteam engine," which greatly improves upon the power and efficiency of steam engines.
Source: Steam Punk -
Occasionally taken Up to Eleven with adults simply dropping the main characters into life-threatening situations with remarkable power and efficiency, then being immediately ineffectual again when they should by all logic be able to undo the problem just as easily.
Source: Literature / Tales of MU
Cite this Source
Power and Efficiency. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/efficiency/power
Efficiency & Power. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/efficiency/power>.
Power or Efficiency. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/efficiency/power.
Google Ngram Viewer shows how "efficiency" and "power" have occurred on timeline