ULTRAEFFICIENT Synonyms: 75 Similar and Opposite Words

ultraefficient

adjective

Definition of ultraefficient

as in efficient

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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 ultraefficient These ultraefficient electric vehicles could reduce the need for charging stops for all but the longest road trips. — Zlati Meyer, WSJ, 9 June 2023 Decades of selective breeding for better berries ensued, together with the development of ultraefficient packing methods and mechanical harvesters. — Yasmin Tayag, The Atlantic, 4 Oct. 2022 The developers said the ultraefficient design of those units appeals to a demographic that’s looking to downsize and simplify their life, but who still want to take advantage of all the benefits of living in a thriving, urban environment. — Jim Buchta, Star Tribune, 18 Oct. 2020 Extract frozen gas from permafrost or from the ocean floor to power new, ultraefficient turbines. — Discover Magazine, 16 Feb. 2012

Recent Examples of Synonyms for ultraefficient

Adjective

Personalize your warm-up to be efficient and effective Not every warm-up needs equal time in every phase.

— Dana Santas, CNN Money, 24 Sep. 2026
At the site, the team is developing more efficient ways to recover scarce radioisotopes that would otherwise be discarded as waste.

— Georgina Jedikovska, Interesting Engineering, 24 Sep. 2026

Definition of efficient

Adjective

Amid the mounting scrutiny, major operators like DraftKings have pushed back, arguing that their responsible gaming system provides adequate safeguards to protect their customers from spiraling out of control.

— Jake Pearson, ProPublica, 26 Sep. 2026
Adjustable shelves mean there’s even adequate room to store high heels and ankle booties.

— Sian Babish, PEOPLE, 25 Sep. 2026

Definition of adequate

Adjective

The system is also capable of using radio frequencies to find the pilot of a drone and alert police to their exact location.

— Jason Gewirtz, CNBC, 27 Sep. 2026
If true, this means the nation is now capable of continuing to extend the lifespan of valuable spacecraft in space.

— Christopher McFadden, Interesting Engineering, 27 Sep. 2026

Definition of capable

Adjective

West had coronary artery disease and died due to a combination of the pre-existing illness and post-operative complications a day after having cosmetic surgery.

— Michael Saponara, Billboard, 23 Sep. 2026
Bernadette Peters will play Coco Van Beck, the aforementioned queen of San Francisco society who enlists private detective Julie (Estrada) and her operative Charles on the case.

— Rick Porter, HollywoodReporter, 23 Sep. 2026

Definition of operative

Adjective

Vintage cleaning methods like vinegar, baking soda, and bleach are effective, affordable, and versatile cleaning agents.

— Mary Cornetta, Better Homes & Gardens, 29 Sep. 2026
The most effective leaders diagnose the constraint first, then choose the support model that matches it.

— Nikola Kiridzic, Forbes.com, 29 Sep. 2026

Definition of effective

Adjective

Others argue even if wilderness therapy is effectual for some, its premise is flawed.

— Sara M Moniuszko, USA TODAY, 20 Feb. 2024
Will prospective politicos and those holding positions of power prompt effectual projects to maintain upkeep and ensure each and every citizen is safe rather than pushing self-serving, divisive social agendas?

— Voice of the People, New York Daily News, 16 Jan. 2024

Definition of effectual

Browse Nearby Words

ultradry

ultraefficient

ultraexpensive

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Style

“Ultraefficient.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultraefficient. Accessed 30 Sep. 2026.

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Synonyms of ultraefficient

adjective

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