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
Finish with very soft, almost imperceptible waves.
—
Andrea Carbajal, Glamour, 5 Dec. 2025
Caplan-Auerbach is studying nearly imperceptible seismic tremors that have preceded major landslides, including the August one in Tracy Arm.
—Ella Nilsen, CNN Money, 22 Oct. 2025
For most folks watching at home, the change was imperceptible.
—Dieter Kurtenbach, Mercury News, 20 Oct. 2025
But about two-thirds of the way through, Roofman makes a quiet, almost imperceptible shift toward melancholy.
—Stephanie Zacharek, Time, 10 Oct. 2025
See All Example Sentences for imperceptible
Recent Examples of Synonyms for imperceptible
Adjective
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In fact, effectively invisible, dark matter can only be inferred due to its interaction with gravity and the effect this has on light and conventional matter.—
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The best officials are invisible.—
Adjective
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With her signature long waves gathered into a subtle bun at the nape of her neck, this style puts the focus on the sculptural wave framing Seyfried's face opposite a deep side part.—
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Grande wore a glossy pink shade on her lips, sculpted cheeks with subtle shimmer, and long lashes.—
Adjective
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Both envision a future in which robots, for lack of a better word (these are not your Lost in Space tin men), become all but indistinguishable from humans.—
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This combination of surging quantity and personas that are nearly indistinguishable from real humans creates serious challenges for detecting deepfakes, especially in a media environment where people’s attention is fragmented and content moves faster than it can be verified.—
Cite this Entry
“Imperceptible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperceptible. Accessed 13 Jan. 2026.
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