as in minuscule
very small in size
a soft drink with only an infinitesimal amount of caffeine
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Recent Examples of infinitesimal
In an Aspen Institute comparison of the 10 most popular high-school team sports, tennis ranked first for safety, with infinitesimal rates of catastrophic injury and concussion.
—
Alexandra Moe, The Atlantic, 24 Aug. 2025
The former is an infinitesimal unit of time.
—Big Think, 20 Aug. 2025
Riverside Sheriff Chad Bianco and former Fox News host Steve Hilton are running, but the chances of a GOP win next year are infinitesimal.
—Dan Walters, Mercury News, 6 Aug. 2025
Endocrine disruptors such as phthalates — chemicals that mimic hormones in our body by interfering with everything from reproduction to brain development, even at infinitesimal doses — are still found in many cleaning products.
—The Washington Post, San Diego Union-Tribune, 26 July 2025
See All Example Sentences for infinitesimal
Alexandra Moe, The Atlantic, 24 Aug. 2025
The former is an infinitesimal unit of time.
—Big Think, 20 Aug. 2025
Riverside Sheriff Chad Bianco and former Fox News host Steve Hilton are running, but the chances of a GOP win next year are infinitesimal.
—Dan Walters, Mercury News, 6 Aug. 2025
Endocrine disruptors such as phthalates — chemicals that mimic hormones in our body by interfering with everything from reproduction to brain development, even at infinitesimal doses — are still found in many cleaning products.
—The Washington Post, San Diego Union-Tribune, 26 July 2025
See All Example Sentences for infinitesimal
Recent Examples of Synonyms for infinitesimal
Adjective
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Hickey glanced at her daughter’s trove, then at the store’s dense, minuscule universe.—
Roxana Popescu,
San Diego Union-Tribune,
9 Sep. 2025
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In recent weeks, the weekly take was dropping to the $500,000 range, then $400,000 and then last week’s gross was a minuscule $380,052.—
Greg Evans,
Deadline,
9 Sep. 2025
Adjective
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When the tiny home arrives, a semi-permanent setup is as easy as leveling the surface, hooking up utilities, and anchoring the home, if desired, which can be accomplished with the help of the builder’s team.—
Maggie Horton,
PEOPLE,
14 Sep. 2025
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Every day is a new chance to accurately fix the coördinates of my appearance in clothes, to make tiny adjustments, as if focussing a lens.—
Rachel Kushner,
New Yorker,
14 Sep. 2025
Adjective
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Little more than a century later, life expectancy had dramatically increased to seventy nine years—all due to a better understanding of microscopic germs as the cause of infectious diseases, public health measures, and the discovery and application of antibiotics.—
Alan Lightman
September 12,
Literary Hub,
12 Sep. 2025
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And, biologists diagnosing based on microscopic findings in samples from the animal’s body still risk misidentifying the worm.—
Jessie Richards,
The Conversation,
12 Sep. 2025
Cite this Entry
“Infinitesimal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infinitesimal. Accessed 17 Sep. 2025.
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