ultramicro

adjective

Definition of ultramicronext
as in micro

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Example Sentences

Recent Examples of Synonyms for ultramicro
  1. micro
  2. infinitesimal
  3. small
  4. fewer
  5. lesser
  6. minor
Adjective
  • That's because the micro-level contest-specific data is lagging behind the macro-level national data.
    — Nathan Gonzales CQ-Roll Call, Arkansas Online, 6 Oct. 2026
  • This type of model involves microphysics—the micro-scale processes that create clouds and precipitation on Earth and other bodies.
    — Elizabeth Rayne, ArsTechnica, 1 Oct. 2026
Definition of micro
Adjective
  • The likelihood of hearing this any place was like, infinitesimal.
    — Katie Bain, Billboard, 2 Oct. 2026
  • As few as 10 cells, hidden in an infinitesimal fleck of feces, can contaminate raw milk and trigger a fatal infection.
    — CNN Money, CNN Money, 1 Oct. 2026
Definition of infinitesimal
Adjective
  • Only about a dozen countries have active programs, including small Caribbean island states.
    — Arkansas Online, Arkansas Online, 3 Oct. 2026
  • The treasurer’s office says the administrative cost of processing very small payments can exceed their value.
    — Mark Lewyn, Hartford Courant, 2 Oct. 2026
Definition of small
Adjective
  • The risk is lower in areas such as the Pacific Northwest, where the population is less vulnerable, and Greenland, where fewer people live near glacial lakes.
    — Sarah Kuta, Smithsonian Magazine, 10 Feb. 2023
  • The Cavs are now just 4-7 in games decided by three points or fewer.
    — Chris Fedor, cleveland, 31 Jan. 2023
Definition of fewer
Adjective
  • Even lesser-scale incidents like the Varsity Blues college admissions scandal and the Volkswagen emissions scandal erode trust in the institutions that help make our society possible and push it forward.
    — Lindsey Witmer Collins, Forbes.com, 7 Aug. 2025
  • Toronto’s Fred VanVleet appears to be the top target, but Miami’s Kyle Lowry, Utah’s Mike Conley and, perhaps to a lesser extent, Charlotte’s Terry Rozier have been linked to the team at various points.
    — Staff Writer Follow, Los Angeles Times, 3 Feb. 2023
Definition of lesser
Adjective
  • The bus and a security checkpoint booth were damaged, and one border service employee suffered minor injuries, police said.
    — HANNA ARHIROVA, Arkansas Online, 6 Oct. 2026
  • In the 120 years that the State Russian Museum has owned the painting, only minor conservation has been carried out.
    — Hikmat Mohammed, ARTnews.com, 6 Oct. 2026
Definition of minor
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.

Browse Nearby Words

ultramasculine
ultramicro
ultramodern
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Cite this Entry

“Ultramicro.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultramicro. Accessed 8 Oct. 2026.

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