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
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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Placing your carbon monoxide detector in the proper location can alert you to dangerous levels of the invisible gas, which is unfortunately more likely to occur with the use of personal space heaters.—
Shivani Vyas,
Better Homes & Gardens,
14 Jan. 2026
-
Underground cultures exist outside mainstream radars, which can render entrance points virtually invisible to the more traditional.—
Literary Hub,
Literary Hub,
12 Jan. 2026
Adjective
-
The model predicts target expressions from subtle initial facial changes.—
Jijo Malayil,
Interesting Engineering,
15 Jan. 2026
-
Amazon Essentials Pointed-Toe Flat Want a subtle lift without having to wear heels?—
Nicol Natale,
PEOPLE,
15 Jan. 2026
Adjective
-
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.—
Greg Evans,
Deadline,
31 Dec. 2025
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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.—
Siwei Lyu,
The Conversation,
26 Dec. 2025
Cite this Entry
“Imperceptible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperceptible. Accessed 16 Jan. 2026.
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