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 notes are basically imperceptible, and the one note the speakers can hit seems to leap out of nowhere in the mix.
—
PC Magazine, 4 June 2025
Five years later, the outlines of these words are almost imperceptible.
—Alfredo Sosa, Christian Science Monitor, 18 May 2025
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
See All Example Sentences for imperceptible
PC Magazine, 4 June 2025
Five years later, the outlines of these words are almost imperceptible.
—Alfredo Sosa, Christian Science Monitor, 18 May 2025
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
See All Example Sentences for imperceptible
Recent Examples of Synonyms for imperceptible
Adjective
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Whether in a lab or a bedroom, the unconscious brain often connects ideas in ways our waking selves can’t, delivering sudden insights that feel like inspiration — but are really the reward for deep, often invisible, thought.—
Chris Reed,
San Diego Union-Tribune,
6 July 2025
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The app is invisible and undetectable on the phone.—
ArsTechnica,
ArsTechnica,
3 July 2025
Adjective
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They are intended to reduce trauma to the scalp, may contribute to smoother recovery, and are designed to help achieve subtle, natural-looking outcomes.—
Daniel Fusch,
USA Today,
12 July 2025
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The property’s subtle musical motif reminds guests of its beginnings as a radio station, while the sunset libations at its Hi-Fi Rooftop Bar draw a regular crowd.—
Katie Strasberg Rousso,
Southern Living,
12 July 2025
Adjective
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The real dream for many is smart glasses that are almost indistinguishable from normal glasses, but which display some of the same AR content as the Vision Pro on transparent lenses instead of via a camera-to-screen pipeline.—
ArsTechnica,
ArsTechnica,
30 June 2025
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Residents must leave a suite or a room—which can be seamlessly separated from the rest of the residence, becoming indistinguishable from a standard hotel room—available for booking on a regular basis.—
Hannah Walhout,
Travel + Leisure,
28 June 2025
Cite this Entry
“Imperceptible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperceptible. Accessed 15 Jul. 2025.
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