as in invisible
not perceptible by a sense or by the mind
a slight difference in hue between the two glasses that's imperceptible unless they're placed side by side
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Recent Examples of imperceptible
The hood protects your neck like the Wu-Tang Clan, while thumbholes, dropped shoulders, and imperceptible seams ensure an unimpeded, chafe-free range of movement.
—
Drew Zieff, Outside Online, 16 May 2025
Researchers showed that by altering just a small number of pixels in the image—changes imperceptible to human eyes—the AI model misclassified the panda as a gibbon.
—Hessie Jones, Forbes.com, 3 Apr. 2025
Each brings his own approach to the party, but any drop-off is imperceptible and the impact is effectively the same.
—Edgar Thompson, Orlando Sentinel, 20 Mar. 2025
If this switching happens quickly enough, any flickering should be imperceptible to the human eye.
—Paul Monckton, Forbes.com, 30 Apr. 2025
See All Example Sentences for imperceptible
Drew Zieff, Outside Online, 16 May 2025
Researchers showed that by altering just a small number of pixels in the image—changes imperceptible to human eyes—the AI model misclassified the panda as a gibbon.
—Hessie Jones, Forbes.com, 3 Apr. 2025
Each brings his own approach to the party, but any drop-off is imperceptible and the impact is effectively the same.
—Edgar Thompson, Orlando Sentinel, 20 Mar. 2025
If this switching happens quickly enough, any flickering should be imperceptible to the human eye.
—Paul Monckton, Forbes.com, 30 Apr. 2025
See All Example Sentences for imperceptible
Recent Examples of Synonyms for imperceptible
Adjective
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Agencies like the Centers for Disease Control and Prevention (CDC), the Food and Drug Administration (FDA), and the National Institutes of Health (NIH) don't just manage disease outbreaks or approve new treatments—they're the invisible safety net beneath our health system.—
Kristen Waggoner,
MSNBC Newsweek,
24 June 2025
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Think of your circadian rhythm as an invisible operating system.—
Julian Hayes II,
Forbes.com,
23 June 2025
Adjective
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In this edition, the grey tone reflects the muted, misty landscape of the British coast, with subtle variations achieved through multiple layers of transparent lacquer.—
Matthew Catellier,
Forbes.com,
30 June 2025
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The result was a robust workforce forecasting model, one that’s sophisticated enough to consider the subtle complexities of human behavior and help identify potential attrition risks.—
Nia Bowers,
USA Today,
30 June 2025
Adjective
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Macron blocked his mouth with his hand, so his comment was indistinguishable, but Meloni reacted with a huge eye roll that quickly circulated in photos online.—
Rachel Raposas,
People.com,
17 June 2025
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The first defensive possession of every Orlando Magic game this season was indistinguishable from a brawl.—
Fred Katz,
New York Times,
16 June 2025
Cite this Entry
“Imperceptible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperceptible. Accessed 5 Jul. 2025.
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