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superefficient

  • a word derived from efficient.
    efficient
    adjective
    performing or functioning in the best possible manner with the least waste of time and effort; having and using requisite knowledge, skill, and industry; competent; capable.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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“We’ve obviously been working on building a world-class battery, a superefficient and affordable way to store energy,” said Khobi Brooklyn, a Tesla spokeswoman.

From New York Times ● May 1, 2015

For example, Harvard could strike a bigger blow against fossil-fuel companies by installing superefficient heating and cooling equipment and then securing supplies of emissions-free energy to run them.

From Slate ● Apr. 24, 2015

“Horace had been talking about the idea of superefficient transportation,” said Taylor.

From Forbes ● Apr. 15, 2015

Daniels hawking superefficient @Cree LED bulbs during NBA games.

From Time ● Apr. 26, 2013

This material is processed by a superefficient metabolism, stripped of any useful minerals and...ejected at the other end, as it were.

From "Artemis Fowl" by Eoin Colfer