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imperceptible

[ im-per-sep-tuh-buhl ]
/ ˌɪm pərˈsɛp tə bəl /
SEE SYNONYMS FOR imperceptible ON THESAURUS.COM

adjective

very slight, gradual, or subtle: the imperceptible slope of the road.
not perceptible; not perceived by or affecting the senses.

noun

something not capable of being perceived by the senses: metaphysical speculation about imperceptibles.

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Origin of imperceptible

From the Medieval Latin word imperceptibilis, dating back to 1520–30. See im-2, perceptible

OTHER WORDS FROM imperceptible

im·per·cep·ti·bil·i·ty, im·per·cep·ti·ble·ness, nounim·per·cep·ti·bly, adverb

Words nearby imperceptible

imper., imperatival, imperative, imperator, imperatriz, imperceptible, imperception, imperceptive, impercipient, imperf., imperfect
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to imperceptible

insignificant, gradual, indistinguishable, microscopic, invisible, subtle, inaudible, undetectable, ephemeral, evanescent, fine, impalpable, inconspicuous, indiscernible, indistinct, infinitesimal, insensible, minute, momentary, shadowy

Example sentences from the Web for imperceptible

British Dictionary definitions for imperceptible

imperceptible
/ (ˌɪmpəˈsɛptɪbəl) /

adjective

too slight, subtle, gradual, etc, to be perceived

Derived forms of imperceptible

imperceptibility or imperceptibleness, nounimperceptibly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012