ultraefficient

adjective

Definition of ultraefficientnext
as in efficient

Related Words

Relevance

Dissimilar Words

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
  1. efficient
  2. adequate
  3. capable
  4. efficacious
  5. operative
  6. effective
  7. effectual
Adjective
  • Authorities in both countries were investigating the cyber incidents, which exposed vulnerabilities in some older refrigeration management systems and in the countries' highly efficient food supply chains.
    — JOHN LEICESTER, Arkansas Online, 15 Oct. 2026
  • Its security relies on the belief that there’s no efficient algorithm capable of reversing the mathematical operations at its core.
    — Chris Stokel-Walker, Scientific American, 15 Oct. 2026
Definition of efficient
Adjective
  • Restaurants, grocery stores and shops depend on deliveries, yet too many commercial corridors lack adequate loading zones.
    — Chicago Tribune, Chicago Tribune, 18 Oct. 2026
  • In our view, it was rushed and flawed, without an adequate evaluation framework to judge proposals fairly or fully measure their value to tourism.
    — Letters to the Editor, The Orlando Sentinel, 18 Oct. 2026
Definition of adequate
Adjective
  • But this is an entirely different 5-0, as the Chiefs are now powered by a highly efficient offense and a capable defense.
    — Rohan Nadkarni, NBC news, 19 Oct. 2026
  • No one is ignoring that on the other side, Saints quarterback Tyler Shough is capable of undressing the Giants’ secondary if New York’s pass rush doesn’t get home.
    — Pat Leonard, New York Daily News, 18 Oct. 2026
Definition of capable
Adjective
  • The Ordinary Niacinamide 10% + Zinc 1% Affordable and efficacious, this serum played a key role in fueling The Ordinary’s meteoric rise through the ranks of skin care.
    — Noor Lobad, Footwear News, 12 Oct. 2026
  • Despite their reputation as one of the most efficacious skin-care ingredients on the market, retinoids are not without caveats.
    — Rio Viera-Newton, Vogue, 23 July 2026
Definition of efficacious
Adjective
  • Post-operative test results to confirm whether the pope is completely cancer-free and what, if any, treatment is needed have not been released yet.
    — Barbie Latza Nadeau, CNN Money, 16 Oct. 2026
  • The Vatican says post-operative blood tests and a chest X-ray show no immediate complications.
    — Stephanie Stahl, CBS News, 14 Oct. 2026
Definition of operative
Adjective
  • The fix can be effective for some tasks, analysts say, but uses significantly more electricity.
    — Simone McCarthy, CNN Money, 13 Oct. 2026
  • Reducing losses can lower that effective fuel cost without requiring the hydrogen purchase price to decrease.
    — Josh McMorrow, Footwear News, 13 Oct. 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
See all Nearby Words

Cite this Entry

“Ultraefficient.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultraefficient. Accessed 20 Oct. 2026.

Copy Citation
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Last Updated: - Updated example sentences

Popular in Grammar & Usage

See More

'Affect' vs. 'Effect'

Merriam-Webster’s Great Big List of Words You Love to Hate

The Exceptions of '-s' and '-es' Plurals

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

7 Words for Bad Endings and Rough Situations

Did 'orange' the fruit or the color come first?
See More

Popular

See More

'Affect' vs. 'Effect'

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
artwork of illustrated limes with the text limes and smile with an arrow connecting the two words
Quiz: Spot the Anagram! Scramble these words to find new words with the e...
See All