as in minuscule
very small in size
a soft drink with only an infinitesimal amount of caffeine
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Example Sentences
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Recent Examples of infinitesimal
That brings us to now, this infinitesimal moment of geological history — one of the most out of control in the history of animal life.
—
Peter Brannen, Quanta Magazine, 15 Sep. 2025
Your chances of being a long-term winner are infinitesimal, and a small percentage of people will develop an addiction that upends their lives.
—Fort Worth Star-Telegram, 12 Sep. 2025
By harnessing virtual particles that constantly blink in and out of existence, a new type of sensor can detect infinitesimal vibrations to identify molecules.
—IEEE Spectrum, 4 Sep. 2025
Your chance is now 25 out of 292 million, which is still, sorry to say, infinitesimal.
—Mark Fischetti, Scientific American, 2 Sep. 2025
See All Example Sentences for infinitesimal
Peter Brannen, Quanta Magazine, 15 Sep. 2025
Your chances of being a long-term winner are infinitesimal, and a small percentage of people will develop an addiction that upends their lives.
—Fort Worth Star-Telegram, 12 Sep. 2025
By harnessing virtual particles that constantly blink in and out of existence, a new type of sensor can detect infinitesimal vibrations to identify molecules.
—IEEE Spectrum, 4 Sep. 2025
Your chance is now 25 out of 292 million, which is still, sorry to say, infinitesimal.
—Mark Fischetti, Scientific American, 2 Sep. 2025
See All Example Sentences for infinitesimal
Recent Examples of Synonyms for infinitesimal
Adjective
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The magic of Parker’s music—what makes his records so restless, dithery, dynamic—hinges on the minuscule yet crucial difference between perfectionism (endlessly boring) and obsession (endlessly interesting).—
Amanda Petrusich,
New Yorker,
17 Oct. 2025
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All the same, these are minuscule sample sizes.—
Beren Cross,
New York Times,
16 Oct. 2025
Adjective
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This causes the PPy and PSS to separate into tiny regions, creating thousands of junctions where electrons and ions interact.—
Rupendra Brahambhatt,
Interesting Engineering,
19 Oct. 2025
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Founded in 1777, Lexington is home to both Washington & Lee University and Virginia Military Institute (VMI), and the presence of the universities no doubt plays a part in a cultural richness that punches above its weight class for a tiny town of just 7,000 people.—
Heather Bien,
Southern Living,
19 Oct. 2025
Adjective
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Exosomes—microscopic structures that send information from cell to cell, encouraging repair—also harness the body’s natural healing mechanisms.—
Justin Fenner,
Robb Report,
18 Oct. 2025
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Nanoplastics, the microscopic fragments shed from larger plastic waste, are emerging as a new frontier in environmental and health research.—
Neetika Walter,
Interesting Engineering,
17 Oct. 2025
Cite this Entry
“Infinitesimal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infinitesimal. Accessed 21 Oct. 2025.
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