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
In the middle distance imperceptible to language?
—
Literary Hub, 8 Dec. 2025
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
See All Example Sentences for imperceptible
Literary Hub, 8 Dec. 2025
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
See All Example Sentences for imperceptible
Recent Examples of Synonyms for imperceptible
Adjective
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Expect fragrances to go heavy metal this year—or rather, invisible, light-as-air metal—as brands are using notes that bring materials like silver, gold, and steel to mind.—
Sophia Panych,
Allure,
6 Feb. 2026
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Another invisible threat to the lake and public health is microplastics.—
Theodore J. Karamanski,
Chicago Tribune,
6 Feb. 2026
Adjective
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These subtle changes allowed scientists to calculate the planet’s dimensions with unprecedented accuracy, refining measurements that had remained largely unchanged since the 1970s.—
Neetika Walter,
Interesting Engineering,
5 Feb. 2026
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The 100 percent cotton jean features a true mid-rise, straight-leg silhouette with a subtle wedgie fit.—
Angela Velasquez,
Sourcing Journal,
4 Feb. 2026
Adjective
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Through a rigorous multibarrier treatment process, the system produces drinking water that meets or exceeds all state and federal standards and is indistinguishable in quality from Aurora’s traditional mountain water supplies.—
Mike Coffman,
Denver Post,
10 Feb. 2026
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Generic Large Nylon Tote Bag The first bag on this list is nearly indistinguishable from the iconic Le Pliage, from the gold hardware, to the canvas fabric, down to the contrast stitching on the handles.—
Amelia McBride,
Travel + Leisure,
30 Jan. 2026
Cite this Entry
“Imperceptible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/imperceptible. Accessed 11 Feb. 2026.
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