imperceptible [im-per- sep-t uh-b uh l] Synonyms Examples Word Origin See more synonyms for imperceptible on Thesaurus.com very slight, gradual, or subtle: the imperceptible slope of the road. not perceptible; not perceived by or affecting the senses. something not capable of being perceived by the senses: metaphysical speculation about imperceptibles. Origin of imperceptible
dating back to
perceptible Related forms im·per·cep·ti·bil·i·ty, im·per·cep·ti·ble·ness, noun im·per·cep·ti·bly, adverb
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for imperceptibility Historical Examples Ninety-nine hundredths of this amiable world of ours would have guffawed the poor creature into imperceptibility ages ago. He stood up, making an excuse, imperceptibility lurching as he did so. British Dictionary definitions for imperceptibility too slight, subtle, gradual, etc, to be perceived Derived Forms imperceptibility or imperceptibleness, noun imperceptibly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for imperceptibility imperceptible adj.
early 15c., from French
imperceptible (early 15c.), from Medieval Latin imperceptibilis, from assimilated form of in- "not, opposite of" (see in- (1)) + perceptibilis (see perceptible). Related: Imperceptibly. OED marks imperceivable as "Now rare."
Online Etymology Dictionary, © 2010 Douglas Harper