im·​per·​cep·​ti·​ble | \ ˌim-pər-ˈsep-tə-bəl How to pronounce imperceptible (audio) \

Definition of imperceptible

: not perceptible by a sense or by the mind : extremely slight, gradual, or subtle imperceptible differences

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Other Words from imperceptible

imperceptibly \ ˌim-​pər-​ˈsep-​tə-​blē How to pronounce imperceptible (audio) \ adverb

Examples of imperceptible in a Sentence

These changes will be imperceptible to most people. a slight difference in hue between the two glasses that's imperceptible unless they're placed side by side
Recent Examples on the Web Each year, our moon moves distinctly, inexorably farther from Earth—just a tiny bit, about an inch and a half, a nearly imperceptible change. Marina Koren, The Atlantic, 30 Sep. 2021 The changes are nearly imperceptible, but the new pieces are unmistakably modern; with 48 carats of stones, this one-of-a-kind Endless Love necklace is lighter, lacier, a touch more aerodynamic. Jill N Newman, Town & Country, 24 Sep. 2021 The windows that frame the course betray swaying grasses, moody greens and nearly imperceptible stick-figure golfers enjoying the splendor of one of the country’s most celebrated golf courses. Washington Post, 12 Feb. 2021 Her breathing is so light as to be almost imperceptible. Olga Tokarczuk, The New Yorker, 13 Sep. 2021 The world turned in both dramatic and imperceptible ways in the aftermath of 9/11. Washington Post, 10 Sep. 2021 An imperceptible electrical charge ran from the meter through his body. Elizabeth Kolbert, The New Yorker, 9 Aug. 2021 In dressage, an almost imperceptible miscue can prove fatal. San Diego Union-Tribune, 9 July 2021 With her face adequately moisturized, Kravitz goes on to reach for only nine makeup products, all of which leave an almost entirely imperceptible finish. Zoe Ruffner, Vogue, 21 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'imperceptible.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of imperceptible

15th century, in the meaning defined above

History and Etymology for imperceptible

Middle English, from Middle French, from Medieval Latin imperceptibilis, from Latin in- + Late Latin perceptibilis perceptible

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Time Traveler for imperceptible

Time Traveler

The first known use of imperceptible was in the 15th century

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Last Updated

16 Oct 2021

Cite this Entry

“Imperceptible.” Dictionary, Merriam-Webster, Accessed 27 Oct. 2021.

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More Definitions for imperceptible



English Language Learners Definition of imperceptible

: impossible to see or notice


im·​per·​cep·​ti·​ble | \ ˌim-pər-ˈsep-tə-bəl How to pronounce imperceptible (audio) \

Kids Definition of imperceptible

: not noticeable by the senses or by the mind : very small or gradual imperceptible changes

Other Words from imperceptible

imperceptibly \ -​blē \ adverb

More from Merriam-Webster on imperceptible

Nglish: Translation of imperceptible for Spanish Speakers


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