INFINITESIMAL Synonyms: 119 Similar and Opposite Words

infinitesimal

adjective

(ˌ)in-ˌfi-nə-ˈte-sə-məl

Definition of infinitesimal

as in tiny

very small in size a soft drink with only an infinitesimal amount of caffeine

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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 infinitesimal But introducing even an infinitesimal amount of friction causes a fluid to behave in a profoundly different way. — Konstantin Kakaes, Quanta Magazine, 8 Sep. 2026 To precisely print transistors at these infinitesimal scales, light with an incredibly short wavelength must be used. — Rob Toews, Forbes.com, 22 June 2026 Because, through most of this review period, where an infinitesimal fraction of the launch player base has access to the game, those parking spots have not been filled. — Adam Ismail, The Drive, 14 May 2026 Over the course of decades, people inevitably evolve in both infinitesimal and significant ways. — Patricia Neligan, AJC.com, 7 May 2026 See All Example Sentences for infinitesimal

Recent Examples of Synonyms for infinitesimal

Adjective

Researchers implant pairs of tiny magnets into a muscle and position external sensors over the skin.

— Kaif Shaikh, Interesting Engineering, 29 Oct. 2026
To stretch your legs, grab one of the resort’s bikes and take the half-hour ride on the narrow, largely traffic-free dirt road down to Punto Allen, a tiny fishing village with a picturesque lighthouse.

— Condé Nast, Condé Nast Traveler, 29 Oct. 2026

Definition of tiny

Adjective

Even boats without visible mussels can transport the invasive species because microscopic larvae can survive in water left inside vessels and equipment.

— Daniel Hunt, Sacbee.com, 23 Oct. 2026
As the crust bakes, the water in the butter turns to steam, creating microscopic flaky layers—and a light, tender crust.

— Melissa Weller, Bon Appetit Magazine, 21 Oct. 2026

Definition of microscopic

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infinite

infinitesimal

infinitesimally

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“Infinitesimal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infinitesimal. Accessed 30 Oct. 2026.

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Synonyms of infinitesimal

adjective

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