as in efficacy
the power to produce a desired result
the proven efficiency of meditation in reducing stress within the company's workforce
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of efficiency
Beyond your yard's appearance, a worn line can also reduce the efficiency and lifespan of your weed whacker by forcing the tool to work harder.
—
Louise Parks,
Martha Stewart,
29 June 2026
These numbers shape next year’s budget cycle, because leaders translate expected efficiency into cost targets, pricing assumptions and service levels.
—
Gleb Tsipursky,
Sun Sentinel,
29 June 2026
Strict noise emission, water efficiency and energy efficiency standards for new data centers.
—
Jack O'Connor,
Chicago Tribune,
29 June 2026
Rice’s efficiency anchored the group stage; England will need more authority from him to take the next step.
—
Sukhman Singh,
New York Times,
29 June 2026
See All Example Sentences for efficiency
Louise Parks,
Martha Stewart,
29 June 2026
These numbers shape next year’s budget cycle, because leaders translate expected efficiency into cost targets, pricing assumptions and service levels.
—
Gleb Tsipursky,
Sun Sentinel,
29 June 2026
Strict noise emission, water efficiency and energy efficiency standards for new data centers.
—
Jack O'Connor,
Chicago Tribune,
29 June 2026
Rice’s efficiency anchored the group stage; England will need more authority from him to take the next step.
—
Sukhman Singh,
New York Times,
29 June 2026
See All Example Sentences for efficiency
Recent Examples of Synonyms for efficiency
Noun
-
But the efficacy of that killswitch is unclear.
-
From there the compound would need to clear safety and efficacy testing in clinical trials before it could ever be used with patients.
Noun
-
As electronic warfare capabilities continue to proliferate, maintaining navigation and mission effectiveness without constant access to satellite signals has become increasingly important.
-
There may be an issue with how the pills dissolve, which could impact their effectiveness.
Cite this Entry
“Efficiency.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficiency. Accessed 1 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
