ULTRAFINE Synonyms: 25 Similar and Opposite Words

ultrafine

adjective

Definition of ultrafine next

as in superfine

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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 ultrafine Purdue University researchers have uncovered just what happens when hair-styling products meet heat, providing the first quantitative evidence that everyday haircare routines can be a significant source of indoor nanoparticle (or, more specifically, ultrafine particle) emissions. —

New Atlas, 23 Aug. 2025 Uneven coffee grinds, with lots of ultrafine particles or giant boulders, will cause uneven extraction. —

Matthew Korfhage, Wired News, 13 Aug. 2025 The brothers proved innovative custodians, moving the company upmarket with an insistence on ultrafine materials and groundbreaking fabrications. —

Paul Croughton, Robb Report, 10 Aug. 2025 These unique characteristics make ultrafine particles particularly dangerous, leading to a range of adverse health problems. —

Discover Magazine, 1 Nov. 2024 See All Example Sentences for ultrafine

Recent Examples of Synonyms for ultrafine

superfine

Adjective

Combine the flour, superfine sugar and salt together in a large mixing bowl and set aside.

— Anna Grace Lee, Vogue, 22 Dec. 2025
Add superfine sugar, 1 tablespoon at a time, beating well after each addition and stopping to scrape down sides of bowl once or twice, until smooth, thick and glossy, 3 to 5 minutes. 3.

— Sabrina Weiss, PEOPLE, 19 Dec. 2025